Java 给ArrayList中的元素去重且顺序不变
http://my.oschina.net/isxiaoge/blog/492801
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Java代码 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); } } |
