Scanner : 接收键盘输入,和用户进行交互
import java.util.Scanner; public class TestScanner { public static void main(String[] args) { test2(); } private static void test1() { Scanner scan = new Scanner(System.in); System.out.println("请输入一个参数,并输入回车结束输入"); String inputStr = scan.next(); System.out.println("输入字符为: " + inputStr); } private static void test2() { Scanner scan = new Scanner(System.in); System.out.println("请输入加数,并输入回车结束输入"); int a = scan.nextInt(); System.out.println("请输入被加数,并输入回车结束输入"); int b = scan.nextInt(); System.out.println("和为: " + (a + b)); } }