目录引言一、Java日期格式化问题：IllegalArgumentException1.1 问题现象1.2 根本原因1.3 解决方案二、mysql数据截断问题：Data truncated for column2.1 问题现象2.2 根本原因2.3 解决方案三、完整优化代码示例3.1
While poking around the questions, I recently discovered the assert keyword in Java.At first, I was excited.Something useful I didn\'t already know!A more efficient way for me to check the validity of
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