How to redirect System.out.println data to File in Java with Example
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How to redirect again to System console using System.setOut Method
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.PrintStream;
public class SetOutBacktoSystemConsole {
public static void main(String args[]) throws Exception{
System.out.println("Printing on Console");
PrintStream printStream = new PrintStream(new FileOutputStream("d:/my_data_out.txt"));
System.setOut(printStream);
System.out.println("Java");
System.out.println("is");
System.out.println("Quick");
System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out)));
System.out.println("Again I am back to Console");
}
}
Output
Console
Printing on Console
Again I am back to Console
On my_data_out.txt file
Java
is
Quick
SystemSetOutExample
import java.io.FileOutputStream;
import java.io.PrintStream;
public class SystemSetOutExample{
public static void main(String args[]) throws Exception{
PrintStream printStream = new PrintStream(new FileOutputStream("d:/my_data_out.txt"));
System.setOut(printStream);
System.out.println("Java");
System.out.println("is");
System.out.println("Quick");
}
}