第七天打卡

 

 

package demo01;

public class classMXS7191 {

    public static void main(String[] args) {

        int[][] ar1=new int[11][11];
        ar1[1][2] = 1;
        ar1[2][3]= 2;
        for (int[] ints:ar1){
            for (int anInt : ints){
                System.out.print(anInt+"\t");
            }
            System.out.println();
        }
        System.out.println("-----------------");
        int sum =0;
        for (int i=0;i<11;i++){
            for (int j=0;j<11;j++){
                if (ar1[i][j]!=0){
                    sum++;
                }
            }
        }
        System.out.println(sum);
        System.out.println("-----------------");
        int[][] aa = new int[sum+1][3];
        aa[0][0] =11;
        aa[0][1]= 11;
        aa[0][2]= sum;
        int count = 0;
        for (int i=0;i<ar1.length;i++){
            for (int j=0;j<ar1[i].length;j++){
                if (ar1[i][j]!=0){
                    count++;
                    aa[count][0]=i;
                    aa[count][1]=j;
                    aa[count][2]=ar1[i][j];

                }
            }
        }

        for (int i=0;i<aa.length;i++){
            System.out.println(aa[i][0]+"\t"+aa[i][1]+"\t"
            +aa[i][2]+"\t");
        }
        System.out.println("-----------------");

        int[][] tt = new int[aa[0][0]][aa[0][1]];

        for (int i =1;i<aa.length;i++){
            tt[aa[i][0]][aa[i][1]] = aa[i][2];
        }
        for (int[] ints:tt){
            for (int anInt : ints){
                System.out.print(anInt+"\t");
            }
            System.out.println();
        }

    }

}

 

 今天 java部分学到60 面向对象