隨筆檔案(496)

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/**
*
* @(#)ZhuanzMatrix.java
*
* @author??? JAdmin
* @version?? 1.00??? 2008/08/22
*/

import java.util.Scanner;

public class ZhuanzMatrix
{
public static void main(String[] args)
{
?? int row,col;
?? Scanner sr = new Scanner(System.in);
?? System.out.println("請輸入矩陣的行和列參數(shù)：");
?? System.out.print("row=");
?? row = sr.nextInt();
?? System.out.print("col=");
?? col = sr.nextInt();
?? int[][] array = new int[row][col];
?? System.out.println("請輸入矩陣各元素Matrix[" + row + "]" + "[" + col + "]");
?? input(array);
?? System.out.println("原矩陣：");
?? display(array);
?? int[][] newarr = doZhuanz(array);
?? System.out.println("轉(zhuǎn)置后：");
?? display(newarr);
}

private static void input(int[][] arr)
{
?? Scanner sr = new Scanner(System.in);
?? for(int i = 0;i < arr.length;i++)
??? for(int j = 0;j < arr[0].length;j++)
????? arr[i][j] = sr.nextInt();
}

private static void display(int[][] arr)
{
?? for(int i = 0;i < arr.length;i++)
?? {
??? for(int j = 0;j < arr[0].length;j++)
???? System.out.print(arr[i][j]+" ");
??? System.out.println();
?? }
}

private static int[][] doZhuanz(int[][] arr)
{
?? int[][] tmparr = new int[arr[0].length][arr.length];
?? for(int i = 0;i < tmparr.length;i++)
??? for(int j = 0;j < tmparr[0].length;j++)
???? tmparr[i][j] = arr[j][i];
?? return tmparr;
}
}