The PrintStream class contains the definition of the common System.out and System.err objects for writing to standard output and standard error, respectively.
PrintStream类中定义了常见的、分别用于写入标准输出和标准错误的 System.out 和 System.err对象。
The PrintStream class contains the definition of the common System.out and System.err objects for writing to standard output and standard error, respectively.
PrintStream类中定义了常见的、分别用于写入标准输出和标准错误的 System.out 和 System.err对象。
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