数组单步运算

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package 单步数组;   import java.util.Scanner;   public class shuzu {           public static void main(String[] args) {                   //定义一个数组                       int s[]=new int[5];             int a=0;             int amax = 0;             int max=0;             for(;a<5;a++) {                 //键盘输入5个数                 Scanner in=new Scanner(System.in);                 System.out.println("请输入数：");                 s[a]=in.nextInt();                }             //找子数组并相加比较数组和的大小直到找到最大值输出             for(int b=0;b<4;b++){                 int sum=0;                 int asum=s[b];                 for(int i=1;b+i<5;i++) {                     sum=asum+s[b+i];                     if(b==0) {                         max=sum;                     }else                     {                         if(sum>max) {                             max=sum;                         }                                               }                                          asum=sum;                     if(b==0) {                         System.out.println("第"+i+"步");                           System.out.println("当前数组和最大值为："+asum+" 已经比较了："+i+"个子数组 最大子数组是由第 1 个到第 "+(i+1)+"个");                     }else if(b==1){                         System.out.println("第"+(i+4)+"步");                          System.out.println("当前数组和最大值为："+asum+" 已经检查了："+(4+i)+"个子数组 最大子数组是由第 2 个到第"+(i+2)+"个");                     }else if(b==2) {                         System.out.println("第"+(i+7)+"步");                         System.out.println("当前数组和最大值为："+asum+" 已经检查了："+(7+i)+"个子数组 最大子数组是由第 3 个到第"+(i+3)+"个");                     }else if(b==3) {                         System.out.println("第"+(i+9)+"步");                         System.out.println("当前数组和最大值为："+asum+" 已经检查了："+(9+i)+"个子数组 最大子数组是由第 4 个到第"+(i+4)+"个");                     }                                     }                                if(b==0){                     amax=max;                 }else                 {                     if(max>amax){                         amax=max;                     }                 }                              }             System.out.println("数组最大和为："+amax);                                     }     }