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1 Integer i1=new Integer(12);
2 Integer q1=new Integer(12);
3 System.out.println("i1=q1,"+(i1==q1));//false
4 System.out.println("i1.equals(q1),"+(i1.equals(q1)));//true
5
6 Integer i2=12;
7 Integer q2=12;
8 System.out.println("i2=q2,"+(i2==q2));//true
9 System.out.println("i2.equals(q2),"+(i2.equals(q2)));//true
作者：IdleMan
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