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puyblic class TempTest{
  private void test1(A a){
  a.age=20;
  System.out.println("test1·½·¨ÖеÄage="+a.age);
  }
  public static void main(String[] args){
  TempTest t=new TempTest();
  A a=new A();
  a.age=10;
  t.test1(a);
  System.out.println("main·½·¨ÖеÄage="+a.age);
  }
  
}
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