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String str="ÖÐÎÄ";
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import java.nio.*;
import java.nio.channel.*;
import java.io.*;
public static void copy(File source, File dest) throws IOException {
FileChannel in = null, ......
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
public class HashSetDemo {
public static void main(String[] args){
List tableList = new ArrayList();
tableList.add("hello");
tableList.add("hell0");
tableList.add("world");
......
http://xxw8393.blog.163.com/blog/static/37256834200993051226320/
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