PrintStream myStream = new PrintStream(System.out) {
@Override
public void println(String x) {
System.err.print(x);
super.println(System.currentTimeMillis() + ": " + x);
}
};
System.setOut(myStream);
重写System.out.println
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转载自blog.csdn.net/yemaiqingxiang/article/details/80317816
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