?? newfeaturearraylist.java
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package ex; /* Compare ArrayList */import java.util.ArrayList;import java.util.Iterator;/*public class PreviousFeatureArrayList { public static void main(String[] args) { // Instantiate ArrayList ArrayList arrayList = new ArrayList(); // Set values arrayList.add("a"); arrayList.add("b"); arrayList.add("c"); // Display the contents of ArrayList Iterator it = arrayList.iterator(); while (it.hasNext()) { System.out.println("ArrayList contents: " + it.next()); } }}*/public class NewFeatureArrayList { public static void main(String[] args) { // Instantiate ArrayList ArrayList<String> arrayList = new ArrayList<String>(); // Set values arrayList.add("a"); arrayList.add("b"); arrayList.add("c"); // Display the contents of ArrayList Iterator<String> it = arrayList.iterator(); while (it.hasNext()) { System.out.println("ArrayList contents: " + it.next()); } }}?? 快捷鍵說明
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