public class CompareDemo { public static void main(String[] args) { int a = 128, b = 128; System.out.println(a == b); // true ...
public class CompareDemo { public static void main(String[] args) { int a = 128, b = 128; System.out.println(a == b); // true Integer c = 128, d = 128; System.out.println(c == d); // false System.out.println(c.equals(d)); // true Integer e = -128, f = -128; System.out.println(e == f); // true }}
原标题:再谈包装类Integer对象的比较
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