package object;
class Value{
 int i;
} 
public class E08_StaticTest {
public static void main(String[] args) {
 Integer n1= new Integer(47);
 Integer n2= new Integer(47);
 int   n3=12;
 int   n4=12;
 System.out.println(n1==n2);//比较的是对象的引用而非对象的内容
 System.out.println(n1!=n2);
 System.out.println(n3==n4);
 System.out.println(n3!=n4);
 System.out.println(n1.equals(n2));
  
 Value n5=new Value();
 Value n6=new Value();
 n5.i=n6.i=67;
 System.out.println(n5.equals(n6));//比较的是对象的引用而非对象的内容
}
}

false
true
true
false
true
false