📄 out2file.java
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import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
class Out2File {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
PrintStream oldPrintStream = System.out;
FileOutputStream bos = new FileOutputStream("output.txt");
MultiOutputStream multi = new MultiOutputStream(new PrintStream(bos),oldPrintStream);
System.setOut(new PrintStream(multi));
System.out.println("jjjjjjjjjjj");
}
}
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