EditPlus运行java时从键盘输入数据的操作方法

package myP101;

import java.util.Scanner;

public class TestShu{
	public static void main(String[] args) {

		Scanner shu = new Scanner(System.in);

		System.out.println("请输入数字：");
		int num = shu.nextInt();

		System.out.println(num);
		System.out.println("Hello World!");
	}
}