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public class Test
{
  private int x; 
  public void foo()
  { 
int current=x;
  x=current+1; 
  }
  public void go()
  {
for(int i=0;i<3;i++)
  {
new Thread(){
public void run(){
foo();
  System.out.println(x);
}
}.start();
  }
  }  
  public static void main(String[] str)
  {
  new Test().go();
  }
}

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