以下是用于打印给定矩阵的对角线图案的Java程序。
public class DiagonalMatrix {
public static void main(String args[]){
int a[][]={{1,2,3},{4,5,6},{7,8,9}};
int rows = a.length;
int columns = a[0].length;
for (int i = 0; i < rows; i++) {
for (int r = i, c = 0; r >= 0 && c < columns; r--, c++){
System.out.print(a[r][c] + " ");
}
System.out.println();
}
for (int i = 1; i < columns; i++) {
for (int r = rows-1, c = i; r >= 0 && c < columns; r--, c++) {
System.out.print(a[r][c] + " ");
}
System.out.println();
}
}
}输出结果
1 4 2 7 5 3 8 6 9