目录一、Java循环的四种1. 传统for循环 - 精确控制的首选2. 增强for循环 (foreach) - 简洁遍历的利器3. while循环 - 条件驱动的选择4. do-while循环 - 至少执行一次的保障二、理解多层嵌套循环的实用技巧技巧1：分层
iam having a table with columns like id || counter if i do something (some event) i want the coun开发者_开发技巧ter\'s value(at a particular id) to increase by one , currently iam doing this :
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