[Java] 纯文本查看 复制代码
import java.util.HashMap;
import java.util.Scanner;
//使用键盘录入5个学生信息,录入格式为:”姓名,年龄”.将这5个学生信息存入Map集合中,key是姓名,value是年龄
public class Test01 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
HashMap<String, Integer> map = new HashMap<>();
int count = 0;
while (count < 5) {
try {
System.out.println("请输入学生姓名: ");
String name = sc.nextLine().trim();
System.out.println("请输入学生年龄: ");
String age = sc.nextLine().trim();
int age1 = Integer.parseInt(age);
map.put(name, age1);
count++;
} catch (Exception e) {
System.out.println("输入有误,请重新输入!");
}
}
System.out.println(map);
}
}