关键字与保留字

Word count: 73 | Reading time≈ 1 min

定义：被Java语言赋予特殊含义，用作专门用途的字符串（单词）

特点：关键字中所有字幕都为小写

灰色不算关键字但是能当关键字

保留字：未来可能用，使用时要避开

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