scannerdemo2.java

来自「有关java学习技巧的课件」· Java 代码 · 共 10 行

import java.util.Scanner;

public class ScannerDemo2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入一个数字：");
        System.out.printf("您输入了 %d ！\n", 
                           scanner.nextInt());
    }
}