java 輸入給定大小矩陣並輸出
阿新 • • 發佈:2018-11-02
import java.util.Scanner; public class Matrix{ public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.println("Please enter the row number of matrix"); int row = in.nextInt(); System.out.println("Please enter the col number of matrix"); int col = in.nextInt(); System.out.println("Please enter the elements of matrix one by one, using enter to feed the matrix"); while(in.hasNext()){ int[][] matrix = new int[row][col]; for(int i = 0; i < row*col;i++){ matrix[i/col][i%col] = in.nextInt(); } for(int i = 0; i < row; i++){ for(int j = 0; j < col; j++){ System.out.print(matrix[i][j]+" "); } System.out.println(); } } in.close(); } }