多维数组-Object数组存储表格的数据

数组存储表格数据

注意事项

基本数据类型“1001”，本质不是Object对象，Java编译器会自动把基本数据类型“自动装箱”成包装类对象

例：

package com.gaobo.testshuzu;

import java.util.Arrays;

//测试Object[][]二维数组存储表格数据
public class Test10 {
    public static void main(String[] args) {
        Object[] a1 = {1001,"王大誉",18,"学生","21-14"};
        Object[] a2 = {1002,"王小玉",22,"老师","10-19"};
        Object[] a3 = {1003,"王小明",23,"弟弟","23-45"};
        Object[][] emps = new Object[3][];
        emps[0] = a1;
        emps[1] = a2;
        emps[2] = a3;
        System.out.println(Arrays.toString(emps[0]));
        System.out.println(Arrays.toString(emps[1]));
        System.out.println(Arrays.toString(emps[2]));



        System.out.println("==========");
        for (int i=0;i<emps.length;i++){
            for (int j=0;j<emps[i].length;j++){
                System.out.print(emps[i][j]+"\t");
            }
            System.out.println();
        }


    }
}