System.out输出到资料

System.out输出到文件
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;

public class 打印输出到文件 {
    public static void main(String[] args){
        try {
        FileOutputStream fos = new FileOutputStream("d://xxx.txt");
       
        PrintStream ps = new PrintStream(fos);
        System.setOut(ps);
        int c = 0;
        while (c <= 100) {
            System.out.println(c++);
        }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }
}