java标识符大小写敏感是什么意思

Java标识符大小写敏感意味着在Java编程语言中，标识符（如变量名、方法名、类名等）的大小写是被严格区分的。例如，"Hello"和"hello"被认为是两个不同的标识符。所以，在编写Java代码时，如果要引用一个标识符，必须确保大小写完全匹配，否则会导致编译错误。这种大小写敏感的特性使得程序员在命名标识符时需要更加谨慎，以免引起混淆。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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