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Java 给ArrayList中的元素去重且顺序不变


import java.util.ArrayList;
import java.util.LinkedHashSet;
public class MainClass
{
public static void main(String[] args)
{
//Constructing An ArrayList
ArrayList<String> listWithDuplicateElements = new ArrayList<String>();
listWithDuplicateElements.add("JAVA");
listWithDuplicateElements.add("J2EE");
listWithDuplicateElements.add("JSP");
listWithDuplicateElements.add("SERVLETS");
listWithDuplicateElements.add("JAVA");
listWithDuplicateElements.add("STRUTS");
listWithDuplicateElements.add("JSP");

LinkedHashSet<String> set = new LinkedHashSet<String>(listWithDuplicateElements);

ArrayList<String> listWithoutDuplicateElements = new ArrayList<String>(set);

System.out.print("ArrayList After Removing Duplicate Elements :");
System.out.println(listWithoutDuplicateElements);
}
}

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