复习巩固
java
package com.array;
import java.util.Arrays;
public class Man3 {
/*
0 0 0 22 0 0 15
0 11 0 0 0 17 0
0 0 0 -6 0 0 0
0 0 0 0 0 39 0
91 0 0 0 0 0 0
0 0 28 0 0 0 0
*/
public static void main(String[] args){
int[][] array1 = new int[6][7];//稀疏数组
array1[0][3]=22;
array1[0][6]=15;
array1[1][1]=11;
array1[1][5]=17;
array1[2][3]=-6;
array1[3][5]=39;
array1[4][0]=91;
array1[5][2]=28;
// for (int i = 0; i < 6; i++) {
// for (int j = 0; j < 7; j++) {
// System.out.print(array1[i][j]+"\t");
// }
// System.out.println();
// }
for (int[] ints : array1) {
for (int anInt : ints) {
System.out.print(anInt+"\t");
}
System.out.println();
}
int sum = 0;
for (int i = 0; i <array1.length; i++) {
for (int j = 0; j < array1[i].length; j++) {
if (array1[i][j]!=0){
sum++;
}
}
}
System.out.println("sum="+sum);
int count = 0;
int[][] array2 = new int[sum+1][3];
array2[0][0]=6;
array2[0][1]=7;
array2[0][2]=sum;
for (int i = 0; i < array1.length; i++) {
for (int j = 0; j < array1[i].length; j++) {
if (array1[i][j]!=0) {
count++;
array2[count][0] = i;
array2[count][1] = j;
array2[count][2] = array1[i][j];
}
}
}
for (int i = 0; i < array2.length; i++) {
System.out.println(array2[i][0]+"\t"
+array2[i][1]+"\t"
+array2[i][2]+"\t");
}
System.out.println();
int[][] array3 = new int[array2[0][0]][array2[0][1]];
for (int i = 1; i < array2.length; i++) {
array3[array2[i][0]][array2[i][1]]=array2[i][2];
}
for (int i = 0; i < array3.length; i++) {
for (int j = 0; j < array3[i].length; j++) {
System.out.print(array3[i][j]+"\t");
}
System.out.println();
}
System.out.println("++++++++++++++++++++++++++");
int[] a = {1,4,5,6,72,2,2,2,25,6,7};//冒泡排序
int[] sort = sort(a);
System.out.println(Arrays.toString(sort));
}
public static int[] sort(int[] array){
int temp =0;
for (int i = 0; i < array.length-1; i++) {
boolean flag = false;
for (int j = 0; j < array.length-1-i; j++) {
if (array[j+1]<array[j]){
temp = array[j];
array[j]=array[j+1];
array[j+1]=temp;
flag = true;
}
}
if (flag==false){
break; }
}
return array;
}
}
java
0 0 0 22 0 0 15
0 11 0 0 0 17 0
0 0 0 -6 0 0 0
0 0 0 0 0 39 0
91 0 0 0 0 0 0
0 0 28 0 0 0 0
sum=8
6 7 8
0 3 22
0 6 15
1 1 11
1 5 17
2 3 -6
3 5 39
4 0 91
5 2 28
0 0 0 22 0 0 15
0 11 0 0 0 17 0
0 0 0 -6 0 0 0
0 0 0 0 0 39 0
91 0 0 0 0 0 0
0 0 28 0 0 0 0
++++++++++++++++++++++++++
[1, 2, 2, 2, 4, 5, 6, 6, 7, 25, 72]
进程已结束，退出代码为 0