二维数组练习五个人,姓名年龄身高
二维数组练习
- 题目:五个人,姓名年龄身高
- 思路:声明数组,创建数组,拿值,存值,取值。
代码:
package com.guoba.testhello;
import java.util.Scanner;
/*
5学校3班级每班10学生
*/
public class Demo09 {
public static void main(String[] args) {
String[][] arr =new String[5][3];
Scanner scanner = new Scanner(System.in);
System.out.println("请输入姓名年龄身高");
int k= 1;
for (int i = 0;i<arr.length;i++){
for (int j = 0; j < arr[i].length; j++) {
System.out.println("第"+k+"组数据");
++k;
arr[i][j]= scanner.next();
}
}
System.out.println("[");
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j <arr[i].length ; j++) {
if (j == arr[i].length - 1) {
System.out.print(arr[i][j]);
} else {
System.out.print(arr[i][j] + ",");
}
}
System.out.println();
}System.out.print("]");
}
}