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package Test;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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public class Teeee ...{
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List list = new LinkedList();
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public static void main(String[] args) ...{
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List list = new LinkedList();
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for (int i = 0; i < 9; i++) ...{
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list.add("a"+i);
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}
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Collections.sort(list);//顺序排列
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System.out.println(list);
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Collections.shuffle(list);//混乱的意思
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System.out.println(list);
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Collections.reverse(list);//倒序排列
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System.out.println(list);
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System.out.println(Collections.binarySearch(list, "a5"));//折半查找
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}
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}