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));
}
}