Java中switch语句
时间: 2023-12-25 11:01:03 浏览: 105
引用中说明了Java中switch语句的基本语法结构,它是一种选择分支语句。根据给定的值,程序会根据case语句的值来执行相应的代码块,如果没有匹配的case值,则会执行default语句(如果有)。
在引用的代码一中,变量x的值为3,根据switch语句的case值进行匹配,由于没有与3匹配的case语句,所以程序会执行default语句,输出"default"。需要注意的是,由于在case 0中没有使用break语句,所以程序会继续执行后续的代码块,输出1和2。
而在引用的代码二中,变量x的值为1,根据switch语句的case值进行匹配,找到了与1匹配的case语句,程序会执行该case语句的代码块,输出1。和代码一一样,由于在case 1中没有使用break语句,所以程序会继续执行后续的代码块,输出2和"default"。
总结起来,Java中的switch语句是一种选择分支语句,根据给定的值进行匹配,执行相应的代码块。如果没有匹配的case值,则会执行default语句(如果有)。在每个case语句中,如果没有使用break语句,程序会继续执行后续的代码块。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [JAVA-Switch语句](https://blog.csdn.net/qq_44406889/article/details/122650411)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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