import java.util.*;

public class DiscernVariable  
{
private String prop = "外部类的实例变量";
private class InClass
{
  private String prop = "内部类的实例变量";
  public void info()
  {
   String prop = "局部变量";
   System.out.println("外部类的field值：" + DiscernVariable.this.prop);
   System.out.println("内部类的field值：" + this.prop);
   System.out.println("局部变量的值：" + prop);
  }
}
public void test()
{
  InClass in = new InClass();
  in.info();
}
public static void main(String[] args)
{
  new DiscernVariable().test();
}
}

import java.util.*;

public class DiscernVariable  
{
private String prop = "外部类的实例变量";
private class InClass
{
  private String prop = "内部类的实例变量";
  public void info()
  {
   String prop = "局部变量";
   System.out.println("外部类的field值：" + DiscernVariable.this.prop);
   System.out.println("内部类的field值：" + this.prop);
   System.out.println("局部变量的值：" + prop);
  }
}
public void test()
{
  InClass in = new InClass();
  in.info();
}
public static void main(String[] args)
{
  new DiscernVariable().test();
}
}