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Title: Java File length() 方法 | 菜鸟教程

Description: Java File length() 方法 Java File File.length() 是 Java 中 java.io.File 类的一个常用方法，用于获取文件的大小（以字节为单位）。这个方法返回一个 long 类型的值，表示指定文件的字节长度。 方法语法 [mycode4 type='java'] public long length() [/mycode4] 返回值 返回文件的大小（以字节..

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