scanner

Posted 2021-03-08 hapyygril

package mypro01;
import java.util.Scanner;
/**
 * 测试scanner类，如何接受键盘的输入 
 * @author 4090039qrh
 * @version 10.0.2
 */

public class TestScanner {
    
    /**
     * 键盘输入字符串
     */
    public static void test01() {
        Scanner s = new Scanner(System.in);
        String str = s.next();//next会等待键盘的输入字符串
        System.out.println("输入："+str);
        
    }
    
    
    public static void test02() {
        Scanner s = new Scanner(System.in);
        System.out.print("加数: ");
        int a = s.nextInt();//nextInt会等待输入整数
        System.out.print("加数: ");
        int b=s.nextInt();
        int sum = a+b;
        System.out.println("和为："+sum);
    }
    
    public static void main(String[] args) {
        test01();
        test02();
        
    }
    
    

}