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package thread;
class ThreadTest4 implements Runnable{
 private boolean flag=true;
 public void stopMe(){
  flag=false;
 }
 public void run() {
  while (flag){
   System.out.println(Thread.currentThread().getName()+" is running ");
  } 
 }
}
public class ThreadLife {
 public static void main(String[] args) {
  ThreadTest4 tt4=new ThreadTest4();
  new Thread(tt4).start();
  for(int i=0;i<100;i++){
   if(i==50)
    tt4.stopMe();
   System.out.println("i="+i+"   "+Thread.currentThread().getName()+" is running ");
  }
 }
}


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string s1=new String("Hello");
string s2=new String("Hello");
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class GB2UTF
{
 public static String GBK2Unicode(String str)
 {
  StringBuffer result = new StringBuffer();
  for (int i = 0; i < str.length(); i++)
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