[Java] 로그 저장, System.out.println 데이터 저장

import java.io.*;
 
public class SaveLog {
public static void main(String[] args) throws FileNotFoundException {
	// TODO Auto-generated method stub
    File file  = new File("Save.txt");
    PrintStream printStream = new PrintStream(new FileOutputStream(file));
 
    System.out.println("출력한다.");
   
    System.setOut(printStream);
   
	System.out.println("저장하고 출력하지 않는다.");
  }
}