1. 直接输入:
char[][] grid = new char[row][column];for (int i = 0; i < row; i++) {for (int j = 0; j < column; j++) {grid[i][j] = scan.next().charAt(j);}}
2. 使用`Scanner`类:
import java.util.Scanner;public class Main {public static void main(String[] args) {Scanner scan = new Scanner(System.in);int rows = scan.nextInt();int columns = scan.nextInt();char[][] grid = new char[rows][columns];for (int i = 0; i < rows; i++) {String line = scan.next();for (int j = 0; j < columns; j++) {grid[i][j] = line.charAt(j);}}// 打印二维数组for (int i = 0; i < rows; i++) {for (int j = 0; j < columns; j++) {System.out.print(grid[i][j] + " ");}System.out.println();}}}
3. 使用`Arrays.deepToString`方法:
import java.util.Arrays;public class Main {public static void main(String[] args) {Scanner in = new Scanner(System.in);int rows = in.nextInt();int columns = in.nextInt();char[][] grid = new char[rows][columns];for (int i = 0; i < rows; i++) {String line = in.next();for (int j = 0; j < columns; j++) {grid[i][j] = line.charAt(j);}}// 打印二维数组System.out.println(Arrays.deepToString(grid));}}

