程序进程逐步显示，并可以控制停止和继续

package 数组;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Random;
import java.util.Scanner;

import javax.sound.sampled.Line;
import javax.swing.plaf.basic.BasicInternalFrameTitlePane.MaximizeAction;

public class main {


    public static void main(String[] args) {
        
        int[] A=new int[10];
        Scanner in=new Scanner(System.in);
//        for(int i=0;i<10;i++)
//        { 
//                    A[i]=in.nextInt();
//        }
        
        int[] B={4,-2,3,4,-5,-6,1,-8,-9,2};
        
        main a=new main();
        
        System.out.println(a.max(B, 10)); 
    }
/*
 * @param A
 * @param n
 * @return
 */
public int max(int[] A,int n)
{ int k=1;
    int end=A[0];
    int sum=A[0];
    int m=0;
    int nn=0;
    for(int i=0;i<n;i++)
    {
        //sum=A[i]; 
        
        for(int j=i+1;j<n;j++)
        {
            
            System.out.print("已检查"+k+++"个子数组,  最大子数组和为："+end+";  "); 
            
            //System.out.println(sum); 
            sum+=A[j];
            if(sum>end)
                {
                end=sum;
                m=i;
                nn=j;
                }
            System.out.print("子数组为[");
            for(int p=m;p<nn+1;p++)
                System.out.print(A[p]+",");
            System.out.print("]");
            System.out.print("\n");
            //System.in.read();
            
        }
        
    }
    return end;
}