整型数组——首尾相连

package shuzu;
import java.util.Scanner;
public class shuzu2 {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
             Scanner sc = new Scanner(System.in);
                int[] a = new int[5];
                int[] b= new int[10];
                // 控制台输入数组值
                for (int i = 0; i < a.length; i++) {
                    System.out.println("请输入第" + (i + 1) + "个数字：");
                    int num = sc.nextInt();
                    a[i] = num;
                    b[i]=num;
                }
                sc.close();
                for(int j=0;j<b.length-5;j++) {
                    b[j+5]=a[j];
                }
                int max=a[0];
                int sum=a[0];
                for(int i=1;i<(b.length-1);i++) {
                    if(sum<0)
                        sum=b[i];
                    else 
                        sum+=b[i];
                    if(sum>max)    max=sum;
                }
                System.out.println(max);
    }

}