区分:
%是求模运算符,/是除运算符。%是求余运算,/是一般的除号。
实例:
System.out.println(3/5) = 0; System.out.println(2/5) = 0; System.out.println(4/5) = 0; System.out.println(6/5) = 1; System.out.println(7/5) = 1; System.out.println(8/5) = 1; System.out.println(11/5) = 2; System.out.println(12/5) = 2; System.out.println(13/5) = 2;
效果即是获得的整数(商的整数)
System.out.println(17%5) = 2; System.out.println(16%5) = 1; System.out.println(13%5) = 3; System.out.println(8%5) = 3; System.out.println(7%5) = 2;
效果即是余数(盈余若干)
System.out.println(2%5) = 2; System.out.println(7%8) = 7; System.out.println(6%8) = 6;
取余(取模)有个规律就是:左侧小于右侧,效果为左侧,左侧大于右侧,看余数。
引荐教程:java入门教程
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