How to use CollectionUtils class of org.testng.collections package

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1package org.testng.xml;2import static org.testng.collections.CollectionUtils.hasElements;3import org.testng.collections.Lists;4import org.testng.reporters.XMLStringBuffer;5import org.testng.xml.dom.OnElement;6import java.util.List;7public class XmlRun {8 public String toXml(String indent) {9 XMLStringBuffer xsb = new XMLStringBuffer(indent);10 boolean hasElements = hasElements(m_excludes) || hasElements(m_includes);11 if (hasElements) {12 xsb.push("run");13 }14 for (String s : m_includes) {15 xsb.addEmptyElement("include", "name", s);16 }...

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2import java.util.Map;3import org.testng.collections.Maps;4import org.testng.reporters.XMLStringBuffer;5import org.testng.xml.dom.OnElement;6import static org.testng.collections.CollectionUtils.hasElements;7public class XmlDependencies {8 private Map<String, String> m_xmlDependencyGroups = Maps.newHashMap();9 @OnElement(tag = "group", attributes = { "name", "depends-on" })10 public void onGroup(String name, String dependsOn) {11 m_xmlDependencyGroups.put(name, dependsOn);12 }13 public Map<String, String> getDependencies() {14 return m_xmlDependencyGroups;15 }16 public String toXml(String indent) {17 XMLStringBuffer xsb = new XMLStringBuffer(indent);18 boolean hasElements = hasElements(m_xmlDependencyGroups);19 if (hasElements) {20 xsb.push("dependencies");...

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1package org.testng.xml;2import static org.testng.collections.CollectionUtils.hasElements;3import org.testng.collections.Lists;4import org.testng.reporters.XMLStringBuffer;5import org.testng.xml.dom.OnElement;6import java.util.List;7public class XmlDefine {8 private String m_name;9 public void setName(String name) {10 m_name = name;11 }12 public String getName() {13 return m_name;14 }15 public String toXml(String indent) {16 XMLStringBuffer xsb = new XMLStringBuffer(indent);...

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1package org.testng.xml;2import static org.testng.collections.CollectionUtils.hasElements;3import org.testng.collections.Lists;4import org.testng.reporters.XMLStringBuffer;5import java.util.List;6public class XmlMethodSelectors {7 private List<XmlMethodSelector> m_methodSelectors = Lists.newArrayList();8 public XmlMethodSelectors() {9 }10 public List<XmlMethodSelector> getMethodSelectors() {11 return m_methodSelectors;12 }13 public void setMethodSelector(XmlMethodSelector xms) {14 m_methodSelectors.add(xms);15 }16 public String toXml(String indent) {...

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1package org.testng.collections;2import java.util.Collection;3import java.util.Map;4public final class CollectionUtils {5 private CollectionUtils() {}6 public static boolean hasElements(Collection<?> c) {7 return c != null && ! c.isEmpty();8 }9 public static boolean hasElements(Map<?, ?> c) {10 return c != null && ! c.isEmpty();11 }12}

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CollectionUtils

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1import org.testng.collections.CollectionUtils;2CollectionUtils.toString(new ArrayList<String>());3import org.apache.commons.collections4.CollectionUtils;4CollectionUtils.toString(new ArrayList<String>());5import org.apache.commons.collections.CollectionUtils;6CollectionUtils.toString(new ArrayList<String>());7import org.apache.commons.collections.map.CollectionUtils;8CollectionUtils.toString(new ArrayList<String>());9import org.apache.commons.collections.bag.CollectionUtils;10CollectionUtils.toString(new ArrayList<String>());11import org.apache.commons.collections.functors.CollectionUtils;12CollectionUtils.toString(new ArrayList<String>());13import org.apache.commons.collections.keyvalue.CollectionUtils;14CollectionUtils.toString(new ArrayList<String>());15import org.apache.commons.collections.set.CollectionUtils;16CollectionUtils.toString(new ArrayList<String>());17import org.apache.commons.collections.list.CollectionUtils;18CollectionUtils.toString(new ArrayList<String>());19import org.apache.commons.collections.buffer.CollectionUtils;20CollectionUtils.toString(new ArrayList<String>());21import org.apache.commons.collections.comparators.CollectionUtils;22CollectionUtils.toString(new ArrayList<String>());23import org.apache.commons.collections.map.CollectionUtils;24CollectionUtils.toString(new ArrayList<String>());25import org.apache.commons.collections.iterators.CollectionUtils;26CollectionUtils.toString(new ArrayList<String>());27import org.apache.commons.collections.queue.CollectionUtils;28CollectionUtils.toString(new ArrayList<String>());29import org.apache.commons.collections.map.CollectionUtils;30CollectionUtils.toString(new ArrayList<String>());31import org.apache.commons.collections.functors.CollectionUtils;32CollectionUtils.toString(new ArrayList<String>());

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CollectionUtils

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1CollectionUtils.isEmpty(null);2CollectionUtils.isEmpty(new ArrayList<>());3[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ testng ---4[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ testng ---5[INFO] --- maven-surefire-plugin:2.19.1:test (default-test) @ testng ---6 at com.testng.TestNGTest.test(TestNGTest.java:7)

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CollectionUtils

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1CollectionUtils.isEmpty(list);2org.apache.commons.collections.CollectionUtils.isEmpty(list);3import org.testng.collections.CollectionUtils;4CollectionUtils.isEmpty(list);5import org.apache.commons.collections.CollectionUtils;6CollectionUtils.isEmpty(list);

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1options.add_argument("--disable-blink-features")2options.add_argument("--disable-blink-features=AutomationControlled")3
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1> navigator.webdriver2true3
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1ERROR:broker_win.cc(55)] Error reading broker pipe: The pipe has been ended. (0x6D)2
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classesToRun is a list of XmlClass, It can't be cast to a single XmlClass. You need to iterate over the list

for (XmlClass xmlClass : classesToRun) {
    xmlClass.setIncludedMethods(methodsToRun);
}
https://stackoverflow.com/questions/55948610/java-util-arraylist-cannot-be-cast-to-org-testng-xml-xmlclass-this-error-is-th

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