輸出工具庫Print

package com.lee.util;
import java.io.*;
public class Print{
    public static void print(Object obj){
        System.out.println(obj);
    }
    public static void print(){
        System.out.println();
    }
    public static void printnb(Object obj){
        System.out.print(obj);
    }
    public static PrintStream printf(String format,Object... args){
        return System.out.printf(format,args);
    }
}