Integer i1 = new Integer(127);
Integer i2 = new Integer(127);
System.out.println(i1 == i2);// false
System.out.println(i1.equals(i2));// true
Integer i3 = new Integer(128);
Integer i4 = new Integer(128);
System.out.println(i3 == i4);// false
System.out.println(i3.equals(i4));// true
Integer i5 = 128;
Integer i6 = 128;
System.out.println(i5 == i6);// false
System.out.println(i5.equals(i6));// true
//byte常量池。 byte范围内的值,直接赋值给Integer,是从常量池里面获取的。
Integer i7 = 127;
Integer i8 = 127;
System.out.println(i7 == i8);// true
System.out.println(i7.equals(i8));// true |
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