Question

import java.util.Scanner;

public class TwoDimensionalArray {
    public static void TwoDimensionalArray_M(){

        Scanner input = new Scanner(System.in);
        String[][] newString = new String[3][2];
        for (int i = 0; i < newString.length; i++) {
        for (int j = 0; j < newString[i].length; j++) {
                System.out.println(i +" "+ j);
                if ( i == j || j>=i) {
                    System.out.println("First Name:");
                }else {
                    System.out.println("Last Name:");
                }

                newString[i][j] = input.nextLine();
            }
        }

        System.out.println("All Value are inputed");
    }
}

Answer 1

从我可以收集到的内容，您希望此2D数组的第一个维度引用特定的人，并且此2D数组的第二个维度引用特定人员的特定名称（第一个或最后一个，具体取决于索引）。

import java.util.Scanner;

public class TwoDimensionalArray { 

     public static void TwoDimensionalArray_M(){

         Scanner input = new Scanner(System.in);

         int numNames=3;

         String[][] newString = new String[numNames][2];

         for (int i=0; i<newString[numLastNames].Length; i++)
         {
              System.out.println("Input first name for index " + i + ":");
              newString[i][0] = input.nextLine();
              System.out.println("Input last name for index " + i + ":");
              newString[i][1] = input.nextLine();
         }

         System.out.println("All values have been inputted.");
     }
}

要求用户输入名字＆amp; 2DArray中的姓氏

1 个答案: