java——流程控制语句——顺序结构语句——单if语句——if...else语句——扩展if……else语句——嵌套if……else语句...

柔光的暖阳◎ 2024-04-01 16:54 14阅读 0赞

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[Java][] 支持两种选择语句：if 语句和 switch 语句。

其中 if 语句使用布尔表达式或布尔值作为分支条件来进行分支控制，而 switch 语句则用于对多个整型值进行匹配，从而实现分支控制。

这些语句允许你只有在程序运行时才能知道其状态的情况下，控制程序的执行过程。

选择结构(也叫分支结构)解决了顺序结构不能判断的缺点，可以根据一个条件判断执行哪些语句块。

选择结构适合于带有逻辑或关系比较等条件判断的计算。例如，判断是否到下班时间，判断两个数的大小等。

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[Java]: http://c.biancheng.net/java/
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