How to use isObjectArray method of org.assertj.core.util.Arrays class

Best Assertj code snippet using org.assertj.core.util.Arrays.isObjectArray

Source:StandardRepresentation.java Github

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...14import static java.lang.Integer.toHexString;15import static java.lang.reflect.Array.getLength;16import static org.assertj.core.util.Arrays.isArray;17import static org.assertj.core.util.Arrays.isArrayTypePrimitive;18import static org.assertj.core.util.Arrays.isObjectArray;19import static org.assertj.core.util.Preconditions.checkArgument;20import static org.assertj.core.util.Strings.concat;21import static org.assertj.core.util.Strings.quote;22import java.io.File;23import java.lang.reflect.Array;24import java.lang.reflect.Method;25import java.text.SimpleDateFormat;26import java.util.Calendar;27import java.util.Collection;28import java.util.Comparator;29import java.util.Date;30import java.util.HashMap;31import java.util.HashSet;32import java.util.Iterator;33import java.util.List;34import java.util.Map;35import java.util.Map.Entry;36import java.util.Set;37import java.util.TreeMap;38import java.util.concurrent.CancellationException;39import java.util.concurrent.CompletableFuture;40import java.util.concurrent.CompletionException;41import java.util.concurrent.atomic.AtomicBoolean;42import java.util.concurrent.atomic.AtomicInteger;43import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;44import java.util.concurrent.atomic.AtomicLong;45import java.util.concurrent.atomic.AtomicLongFieldUpdater;46import java.util.concurrent.atomic.AtomicMarkableReference;47import java.util.concurrent.atomic.AtomicReference;48import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;49import java.util.concurrent.atomic.AtomicStampedReference;50import java.util.function.Function;51import org.assertj.core.data.MapEntry;52import org.assertj.core.groups.Tuple;53import org.assertj.core.util.Arrays;54import org.assertj.core.util.DateUtil;55import org.assertj.core.util.diff.ChangeDelta;56import org.assertj.core.util.diff.DeleteDelta;57import org.assertj.core.util.diff.InsertDelta;58/**59 * Standard java object representation.60 * 61 * @author Mariusz Smykula62 */63public class StandardRepresentation implements Representation {64 // can share this as StandardRepresentation has no state65 public static final StandardRepresentation STANDARD_REPRESENTATION = new StandardRepresentation();66 private static final String NULL = "null";67 private static final String TUPLE_START = "(";68 private static final String TUPLE_END = ")";69 private static final String DEFAULT_START = "[";70 private static final String DEFAULT_END = "]";71 private static final String DEFAULT_MAX_ELEMENTS_EXCEEDED = "...";72 // 4 spaces indentation : 2 space indentation after new line + '<' + '['73 static final String INDENTATION_AFTER_NEWLINE = " ";74 // used when formatting iterables to a single line75 static final String INDENTATION_FOR_SINGLE_LINE = " ";76 public static final String ELEMENT_SEPARATOR = ",";77 public static final String ELEMENT_SEPARATOR_WITH_NEWLINE = ELEMENT_SEPARATOR + System.lineSeparator();78 private static int maxLengthForSingleLineDescription = 80;79 private static final Map<Class<?>, Function<?, String>> customFormatterByType = new HashMap<>();80 private static int maxElementsForPrinting = 1000;81 /**82 * It resets the static defaults for the standard representation.83 * <p>84 * The following defaults will be reapplied:85 * <ul>86 * <li>{@code maxLengthForSingleLineDescription = 80}</li>87 * <li>{@code maxElementsForPrinting = 1000}</li>88 * </ul>89 */90 public static void resetDefaults() {91 maxLengthForSingleLineDescription = 80;92 maxElementsForPrinting = 1000;93 }94 public static void setMaxLengthForSingleLineDescription(int value) {95 checkArgument(value > 0, "maxLengthForSingleLineDescription must be > 0 but was %s", value);96 maxLengthForSingleLineDescription = value;97 }98 public static int getMaxLengthForSingleLineDescription() {99 return maxLengthForSingleLineDescription;100 }101 public static void setMaxElementsForPrinting(int value) {102 checkArgument(value >= 1, "maxElementsForPrinting must be >= 1, but was %s", value);103 maxElementsForPrinting = value;104 }105 /**106 * Registers new formatter for the given type. All instances of the given type will be formatted with the provided formatter.107 * 108 * @param <T> the type to register a formatter for 109 * @param type the class of the type to register a formatter for 110 * @param formatter the formatter 111 */112 public static <T> void registerFormatterForType(Class<T> type, Function<T, String> formatter) {113 customFormatterByType.put(type, formatter);114 }115 /**116 * Clear all formatters registered per type with {@link #registerFormatterForType(Class, Function)}.117 */118 public static void removeAllRegisteredFormatters() {119 customFormatterByType.clear();120 }121 /**122 * Returns standard the {@code toString} representation of the given object. It may or not the object's own123 * implementation of {@code toString}.124 * 125 * @param object the given object.126 * @return the {@code toString} representation of the given object.127 */128 @Override129 public String toStringOf(Object object) {130 if (object == null) return null;131 if (hasCustomFormatterFor(object)) return customFormat(object);132 if (object instanceof Calendar) return toStringOf((Calendar) object);133 if (object instanceof Class<?>) return toStringOf((Class<?>) object);134 if (object instanceof Date) return toStringOf((Date) object);135 if (object instanceof AtomicBoolean) return toStringOf((AtomicBoolean) object);136 if (object instanceof AtomicInteger) return toStringOf((AtomicInteger) object);137 if (object instanceof AtomicLong) return toStringOf((AtomicLong) object);138 if (object instanceof AtomicReference) return toStringOf((AtomicReference<?>) object);139 if (object instanceof AtomicMarkableReference) return toStringOf((AtomicMarkableReference<?>) object);140 if (object instanceof AtomicStampedReference) return toStringOf((AtomicStampedReference<?>) object);141 if (object instanceof AtomicIntegerFieldUpdater) return AtomicIntegerFieldUpdater.class.getSimpleName();142 if (object instanceof AtomicLongFieldUpdater) return AtomicLongFieldUpdater.class.getSimpleName();143 if (object instanceof AtomicReferenceFieldUpdater) return AtomicReferenceFieldUpdater.class.getSimpleName();144 if (object instanceof Number) return toStringOf((Number) object);145 if (object instanceof File) return toStringOf((File) object);146 if (object instanceof String) return toStringOf((String) object);147 if (object instanceof Character) return toStringOf((Character) object);148 if (object instanceof Comparator) return toStringOf((Comparator<?>) object);149 if (object instanceof SimpleDateFormat) return toStringOf((SimpleDateFormat) object);150 if (object instanceof PredicateDescription) return toStringOf((PredicateDescription) object);151 if (object instanceof CompletableFuture) return toStringOf((CompletableFuture<?>) object);152 if (isArray(object)) return formatArray(object);153 if (object instanceof Collection<?>) return smartFormat((Collection<?>) object);154 if (object instanceof Map<?, ?>) return toStringOf((Map<?, ?>) object);155 if (object instanceof Tuple) return toStringOf((Tuple) object);156 if (object instanceof MapEntry) return toStringOf((MapEntry<?, ?>) object);157 if (object instanceof Method) return ((Method) object).toGenericString();158 if (object instanceof InsertDelta<?>) return toStringOf((InsertDelta<?>) object);159 if (object instanceof ChangeDelta<?>) return toStringOf((ChangeDelta<?>) object);160 if (object instanceof DeleteDelta<?>) return toStringOf((DeleteDelta<?>) object);161 return object == null ? null : fallbackToStringOf(object);162 }163 @SuppressWarnings("unchecked")164 protected <T> String customFormat(T object) {165 if (object == null) return null;166 return ((Function<T, String>) customFormatterByType.get(object.getClass())).apply(object);167 }168 protected boolean hasCustomFormatterFor(Object object) {169 if (object == null) return false;170 return customFormatterByType.containsKey(object.getClass());171 }172 @Override173 public String unambiguousToStringOf(Object obj) {174 return obj == null ? null175 : String.format("%s (%s@%s)", toStringOf(obj), obj.getClass().getSimpleName(), toHexString(obj.hashCode()));176 }177 /**178 * Returns the {@code String} representation of the given object. This method is used as a last resort if none of179 * the {@link StandardRepresentation} predefined string representations were not called.180 *181 * @param object the object to represent (never {@code null}182 * @return to {@code toString} representation for the given object183 */184 protected String fallbackToStringOf(Object object) {185 return object.toString();186 }187 protected String toStringOf(Number number) {188 if (number instanceof Float) return toStringOf((Float) number);189 if (number instanceof Long) return toStringOf((Long) number);190 // fallback to default formatting191 return number.toString();192 }193 protected String toStringOf(AtomicBoolean atomicBoolean) {194 return String.format("AtomicBoolean(%s)", atomicBoolean.get());195 }196 protected String toStringOf(AtomicInteger atomicInteger) {197 return String.format("AtomicInteger(%s)", atomicInteger.get());198 }199 protected String toStringOf(AtomicLong atomicLong) {200 return String.format("AtomicLong(%s)", atomicLong.get());201 }202 protected String toStringOf(Comparator<?> comparator) {203 if (!comparator.toString().contains("@")) return comparator.toString();204 String comparatorSimpleClassName = comparator.getClass().getSimpleName();205 if (comparatorSimpleClassName.length() == 0) return quote("anonymous comparator class");206 // if toString has not been redefined, let's use comparator simple class name.207 if (comparator.toString().contains(comparatorSimpleClassName + "@")) return comparatorSimpleClassName;208 return comparator.toString();209 }210 protected String toStringOf(Calendar c) {211 return DateUtil.formatAsDatetime(c);212 }213 protected String toStringOf(Class<?> c) {214 return c.getCanonicalName();215 }216 protected String toStringOf(String s) {217 return concat("\"", s, "\"");218 }219 protected String toStringOf(Character c) {220 return concat("'", c, "'");221 }222 protected String toStringOf(PredicateDescription p) {223 // don't enclose default description with ''224 return p.isDefault() ? String.format("%s", p.description) : String.format("'%s'", p.description);225 }226 protected String toStringOf(Date d) {227 return DateUtil.formatAsDatetimeWithMs(d);228 }229 protected String toStringOf(Float f) {230 return String.format("%sf", f);231 }232 protected String toStringOf(Long l) {233 return String.format("%sL", l);234 }235 protected String toStringOf(File f) {236 return f.getAbsolutePath();237 }238 protected String toStringOf(SimpleDateFormat dateFormat) {239 return dateFormat.toPattern();240 }241 protected String toStringOf(CompletableFuture<?> future) {242 String className = future.getClass().getSimpleName();243 if (!future.isDone()) return concat(className, "[Incomplete]");244 try {245 Object joinResult = future.join();246 // avoid stack overflow error if future join on itself or another future that cycles back to the first247 Object joinResultRepresentation = joinResult instanceof CompletableFuture ? joinResult : toStringOf(joinResult);248 return concat(className, "[Completed: ", joinResultRepresentation, "]");249 } catch (CompletionException e) {250 return concat(className, "[Failed: ", toStringOf(e.getCause()), "]");251 } catch (CancellationException e) {252 return concat(className, "[Cancelled]");253 }254 }255 protected String toStringOf(Tuple tuple) {256 return singleLineFormat(tuple.toList(), TUPLE_START, TUPLE_END);257 }258 protected String toStringOf(MapEntry<?, ?> mapEntry) {259 return String.format("MapEntry[key=%s, value=%s]", toStringOf(mapEntry.key), toStringOf(mapEntry.value));260 }261 protected String toStringOf(Map<?, ?> map) {262 if (map == null) return null;263 Map<?, ?> sortedMap = toSortedMapIfPossible(map);264 Iterator<?> entriesIterator = sortedMap.entrySet().iterator();265 if (!entriesIterator.hasNext()) return "{}";266 StringBuilder builder = new StringBuilder("{");267 int printedElements = 0;268 for (;;) {269 Entry<?, ?> entry = (Entry<?, ?>) entriesIterator.next();270 if (printedElements == maxElementsForPrinting) {271 builder.append(DEFAULT_MAX_ELEMENTS_EXCEEDED);272 return builder.append("}").toString();273 }274 builder.append(format(map, entry.getKey())).append('=').append(format(map, entry.getValue()));275 printedElements++;276 if (!entriesIterator.hasNext()) return builder.append("}").toString();277 builder.append(", ");278 }279 }280 private static Map<?, ?> toSortedMapIfPossible(Map<?, ?> map) {281 try {282 return new TreeMap<>(map);283 } catch (ClassCastException | NullPointerException e) {284 return map;285 }286 }287 private String format(Map<?, ?> map, Object o) {288 return o == map ? "(this Map)" : toStringOf(o);289 }290 protected String toStringOf(AtomicReference<?> atomicReference) {291 return String.format("AtomicReference[%s]", toStringOf(atomicReference.get()));292 }293 protected String toStringOf(AtomicMarkableReference<?> atomicMarkableReference) {294 return String.format("AtomicMarkableReference[marked=%s, reference=%s]", atomicMarkableReference.isMarked(),295 toStringOf(atomicMarkableReference.getReference()));296 }297 protected String toStringOf(AtomicStampedReference<?> atomicStampedReference) {298 return String.format("AtomicStampedReference[stamp=%s, reference=%s]", atomicStampedReference.getStamp(),299 toStringOf(atomicStampedReference.getReference()));300 }301 private String toStringOf(ChangeDelta<?> changeDelta) {302 return String.format("Changed content at line %s:%nexpecting:%n %s%nbut was:%n %s%n",303 changeDelta.lineNumber(),304 formatLines(changeDelta.getOriginal().getLines()),305 formatLines(changeDelta.getRevised().getLines()));306 }307 private String toStringOf(DeleteDelta<?> deleteDelta) {308 return String.format("Missing content at line %s:%n %s%n", deleteDelta.lineNumber(),309 formatLines(deleteDelta.getOriginal().getLines()));310 }311 private String toStringOf(InsertDelta<?> insertDelta) {312 return String.format("Extra content at line %s:%n %s%n", insertDelta.lineNumber(),313 formatLines(insertDelta.getRevised().getLines()));314 }315 private String formatLines(List<?> lines) {316 return format(lines, DEFAULT_START, DEFAULT_END, ELEMENT_SEPARATOR_WITH_NEWLINE, " ");317 }318 @Override319 public String toString() {320 return this.getClass().getSimpleName();321 }322 /**323 * Returns the {@code String} representation of the given array, or {@code null} if the given object is either324 * {@code null} or not an array. This method supports arrays having other arrays as elements.325 *326 * @param o the object that is expected to be an array.327 * @return the {@code String} representation of the given array.328 */329 protected String formatArray(Object o) {330 if (!isArray(o)) return null;331 return isObjectArray(o) ? smartFormat(this, (Object[]) o) : formatPrimitiveArray(o);332 }333 protected String multiLineFormat(Representation representation, Object[] iterable, Set<Object[]> alreadyFormatted) {334 return format(iterable, ELEMENT_SEPARATOR_WITH_NEWLINE, INDENTATION_AFTER_NEWLINE, alreadyFormatted);335 }336 protected String singleLineFormat(Representation representation, Object[] iterable, String start, String end,337 Set<Object[]> alreadyFormatted) {338 return format(iterable, ELEMENT_SEPARATOR, INDENTATION_FOR_SINGLE_LINE, alreadyFormatted);339 }340 protected String smartFormat(Representation representation, Object[] iterable) {341 Set<Object[]> alreadyFormatted = new HashSet<>();342 String singleLineDescription = singleLineFormat(representation, iterable, DEFAULT_START, DEFAULT_END,343 alreadyFormatted);344 return doesDescriptionFitOnSingleLine(singleLineDescription) ? singleLineDescription345 : multiLineFormat(representation, iterable, alreadyFormatted);...

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Source:Arrays.java Github

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...100 * @return the {@code String} representation of the given array.101 */102 public static String format(Representation representation, Object o) {103 if (!isArray(o)) return null;104 return isObjectArray(o) ? smartFormat(representation, (Object[]) o) : formatPrimitiveArray(representation, o);105 }106 private static <T> boolean isEmpty(T[] array) {107 return array.length == 0;108 }109 private static boolean isObjectArray(Object o) {110 return isArray(o) && !isArrayTypePrimitive(o);111 }112 private static boolean isArrayTypePrimitive(Object o) {113 return o != null && o.getClass().getComponentType().isPrimitive();114 }115 static IllegalArgumentException notAnArrayOfPrimitives(Object o) {116 return new IllegalArgumentException(String.format("<%s> is not an array of primitives", o));117 }118 private static String smartFormat(Representation representation, Object[] iterable) {119 Set<Object[]> alreadyFormatted = new HashSet<>();120 String singleLineDescription = singleLineFormat(representation, iterable, DEFAULT_START, DEFAULT_END,121 alreadyFormatted);122 return doesDescriptionFitOnSingleLine(singleLineDescription) ?123 singleLineDescription : multiLineFormat(representation, iterable, alreadyFormatted);...

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isObjectArray

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.util.Arrays.isArray;3import static org.assertj.core.util.Arrays.isObjectArray;4public class ObjectArrayTest {5 public static void main(String[] args) {6 Object[] objects = new Object[] { "one", "two", "three" };7 assertThat(isObjectArray(objects)).isTrue();8 assertThat(isArray(objects)).isTrue();9 assertThat(isObjectArray(objects)).isTrue();10 }11}12Recommended Posts: Java | Arrays.asList() method13Java | Arrays.copyOf() method14Java | Arrays.copyOfRange() method15Java | Arrays.toString() method16Java | Arrays.sort() method17Java | Arrays.binarySearch() method18Java | Arrays.deepToString() method19Java | Arrays.deepEquals() method20Java | Arrays.deepHashCode() method21Java | Arrays.deepCopy() method22Java | Arrays.deepCopyOf() method23Java | Arrays.deepCopyOfRange() method24Java | Arrays.deepEquals() method25Java | Arrays.deepHashCode() method26Java | Arrays.deepSort() method27Java | Arrays.deepToString() method28Java | Arrays.equals() method29Java | Arrays.fill() method30Java | Arrays.hashCode() method31Java | Arrays.parallelPrefix() method32Java | Arrays.parallelSetAll() method33Java | Arrays.parallelSort() method34Java | Arrays.setAll() method35Java | Arrays.sort() method

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isObjectArray

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1public class AssertJExample {2 public static void main(String[] args) {3 Object[] array = new Object[3];4 array[0] = 1;5 array[1] = 2;6 array[2] = 3;7 boolean result = Arrays.isArray(array);8 System.out.println(result);9 }10}11public class AssertJExample {12 public static void main(String[] args) {13 Object[] array = new Object[3];14 array[0] = 1;15 array[1] = 2;16 array[2] = 3;17 boolean result = Arrays.isArray(array);18 System.out.println(result);19 }20}21public class AssertJExample {22 public static void main(String[] args) {23 int[] array = new int[3];24 array[0] = 1;25 array[1] = 2;26 array[2] = 3;27 boolean result = Arrays.isArray(array);28 System.out.println(result);29 }30}31Recommended Posts: AssertJ | isInstanceOf(Class<?> type)32AssertJ | isSameAs(Object other)33AssertJ | isEqualTo(Object other)34AssertJ | isSameAs(Object other)35AssertJ | isNotEqualTo(Object other)36AssertJ | isNotSameAs(Object other)37AssertJ | isInstanceOf(Class<?> type)38AssertJ | isExactlyInstanceOf(Class<?> type)39AssertJ | isNotInstanceOf(Class<?> type)40AssertJ | isNotExactlyInstanceOf(Class<?> type)41AssertJ | isInstanceOfAny(Class<?>... types)42AssertJ | isNotInstanceOfAny(Class<?>... types)43AssertJ | isInstanceOfSatisfying(Class<?> type, Consumer<? super T> requirements)44AssertJ | isNotInstanceOfSatisfying(Class<?> type, Consumer<? super T> requirements)45AssertJ | isOfAnyClassIn(Class<?>... types)46AssertJ | isNotOfAnyClassIn(Class<?>... types)47AssertJ | isOfAnyClassIn(Class<?>... types)48AssertJ | isNotOfAnyClassIn(Class<?>... types)

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isObjectArray

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1package org.assertj.core.util;2public class Arrays {3 public static boolean isObjectArray(Object o) {4 return o.getClass().isArray() && !o.getClass().getComponentType().isPrimitive();5 }6}7package org.assertj.core.util;8import org.assertj.core.util.Arrays;9public class ArraysTest {10 public static void main(String[] args) {11 String[] strArray = new String[]{"a", "b", "c"};12 System.out.println(Arrays.isObjectArray(strArray));13 }14}

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isObjectArray

Using AI Code Generation

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1public class Test {2 public static void main(String[] args) {3 Object[] obj = new Object[2];4 obj[0] = "abc";5 obj[1] = 123;6 System.out.println(org.assertj.core.util.Arrays.isArray(obj));7 }8}

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isObjectArray

Using AI Code Generation

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.util.Arrays.isArray;3import static org.assertj.core.util.Arrays.isObjectArray;4public class AssertJArrayTest {5 public static void main(String[] args) {6 Object[] objectArray = new Object[3];7 assertThat(isObjectArray(objectArray)).isTrue();8 assertThat(isObjectArray(new String[3])).isTrue();9 assertThat(isObjectArray(new int[3])).isFalse();10 assertThat(isObjectArray(1)).isFalse();11 assertThat(isObjectArray(new String[]{"1", "2"})).isTrue();12 assertThat(isObjectArray(new String[]{"1", "2", null})).isTrue();13 assertThat(isObjectArray(new int[]{1, 2, 3})).isFalse();14 assertThat(isObjectArray(new int[]{1, 2, 3, null})).isFalse();15 assertThat(isObjectArray(new Integer[]{1, 2, 3})).isTrue();16 assertThat(isObjectArray(new Integer[]{1, 2, 3, null})).isTrue();17 }18}19Java Arrays.asList()20Java Arrays.copyOf()21Java Arrays.copyOfRange()22Java Arrays.deepEquals()23Java Arrays.deepHashCode()24Java Arrays.deepToString()25Java Arrays.equals()26Java Arrays.fill()27Java Arrays.hashCode()28Java Arrays.sort()29Java Arrays.toString()30Java Arrays.binarySearch()31Java Arrays.deepCopy()32Java Arrays.deepCopyOf()33Java Arrays.deepCopyOfRange()34Java Arrays.deepHashCode()35Java Arrays.deepToString()36Java Arrays.equals()37Java Arrays.fill()38Java Arrays.hashCode()39Java Arrays.parallelPrefix()40Java Arrays.parallelSetAll()41Java Arrays.parallelSort()42Java Arrays.setAll()43Java Arrays.sort()44Java Arrays.spliterator()45Java Arrays.stream()46Java Arrays.toString()47Java Arrays.unmodifiableList()48Java Arrays.unmodifiableMap()49Java Arrays.unmodifiableNavigableMap()50Java Arrays.unmodifiableNavigableSet()51Java Arrays.unmodifiableSet()52Java Arrays.unmodifiableSortedMap()53Java Arrays.unmodifiableSortedSet()54Java Arrays.asList()55Java Arrays.copyOf()56Java Arrays.copyOfRange()57Java Arrays.deepEquals()58Java Arrays.deepHashCode()59Java Arrays.deepToString()60Java Arrays.equals()61Java Arrays.fill()62Java Arrays.hashCode()63Java Arrays.sort()64Java Arrays.toString()

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isObjectArray

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1import static org.assertj.core.util.Arrays.*;2import static org.assertj.core.api.Assertions.*;3public class ArrayTest {4 public static void main(String[] args) {5 Object[] array = new Object[1];6 assertThat(isObjectArray(array)).isTrue();7 int[] intArray = new int[1];8 assertThat(isObjectArray(intArray)).isFalse();9 }10}

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isObjectArray

Using AI Code Generation

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1import org.assertj.core.util.Arrays;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class Assertj {5 public void test() {6 Object[] arr = {"a", "b", "c"};7 assertThat(Arrays.isObjectArray(arr)).isTrue();8 }9}

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isObjectArray

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1import java.util.Arrays;2import java.util.List;3import org.assertj.core.util.Arrays;4public class ArraysTest {5 public static void main(String[] args) {6 Object[] arr = { "a", "b", "c" };7 System.out.println("Is array of objects ? " + Arrays.isObjectArray(arr));8 List<String> list = Arrays.asList("a", "b", "c");9 System.out.println("Is array of objects ? " + Arrays.isObjectArray(list));10 }11}

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isObjectArray

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1import static org.assertj.core.util.Arrays.isObjectArray;2import java.util.ArrayList;3class Test {4public static void main(String[] args)5{6ArrayList<String> al = new ArrayList<String>();7al.add("Geeks");8al.add("For");9al.add("Geeks");10ArrayList<Integer> al1 = new ArrayList<Integer>();11al1.add(1);12al1.add(2);13al1.add(3);14boolean res = isObjectArray(al);15System.out.println("Is al an object array? " + res);16boolean res1 = isObjectArray(al1);17System.out.println("Is al1 an object array? " + res1);18}19}20Recommended Posts: Java | Arrays.asList() Method21Java | Arrays.binarySearch() Method22Java | Arrays.copyOf() Method23Java | Arrays.copyOfRange() Method24Java | Arrays.deepEquals() Method25Java | Arrays.deepToString() Method26Java | Arrays.equals() Method27Java | Arrays.fill() Method28Java | Arrays.hashCode() Method29Java | Arrays.parallelPrefix() Method30Java | Arrays.parallelSetAll() Method31Java | Arrays.parallelSort() Method32Java | Arrays.setAll() Method33Java | Arrays.sort() Method34Java | Arrays.toString() Method35Java | Arrays.spliterator() Method36Java | Arrays.stream() Method37Java | Arrays.asList() Method38Java | Arrays.binarySearch() Method39Java | Arrays.copyOf() Method40Java | Arrays.copyOfRange() Method41Java | Arrays.deepEquals() Method42Java | Arrays.deepToString() Method43Java | Arrays.equals() Method44Java | Arrays.fill() Method45Java | Arrays.hashCode() Method46Java | Arrays.parallelPrefix() Method47Java | Arrays.parallelSetAll() Method48Java | Arrays.parallelSort() Method49Java | Arrays.setAll() Method50Java | Arrays.sort() Method51Java | Arrays.toString() Method52Java | Arrays.spliterator() Method53Java | Arrays.stream() Method54Java | Arrays.asList() Method

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