第一步方法前面加了static关键字就是静态方法,java调用静态方法直接用类名方法名就可以调用,如下图所示:第二步运行java程序,可以看到成功调用静态方法了,如下图所示:

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2、显著增加和修改了Java语言特性,增添了标准库,包括默认方法,新的java包及 Date-Time API。2、输入javac,正确就显示如图

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