int num13 = new Integer(1).compareTo(new Integer(3));

原创于 2013-01-09 14:44:26 发布 · 710 阅读

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本文通过几个具体的示例展示了在Java中如何使用Integer类的compareTo方法来比较整数的大小。该方法返回值为0表示两个数相等，负数表示当前对象较小，正数表示当前对象较大。

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		 int num10 = new Integer(1).compareTo(new Integer(0));
		 int num11 = new Integer(1).compareTo(new Integer(1));
		 int num12 = new Integer(1).compareTo(new Integer(2));
		int num13 = new Integer(1).compareTo(new Integer(3));
		System.out.println("num10 = "+ num10 +" num11 = "+ num11 +" num12 = "+ num12 +" num13 = "+ num13);

//num10 = 1 num11 = 0 num12 = -1 num13 = -1