所花时间 ：10小时

代码量 ：200行

博客量 ：两篇

了解到的新知识：对上次数组课堂练习的一个升级：

 

 

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

import java.math.BigInteger;

import java.util.Scanner;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class Sz1 {

private final int STOP = -1;

private final int SUSPEND = 0;

private final int RUNNING = 1;

private int status = 1;

private long count = 0;

@SuppressWarnings("deprecation")

public static void main(String[] args) throws IOException, InterruptedException {

// TODO Auto-generated method stub

Scanner sc =new Scanner(System.in);

Thread thread = new Thread();

BigInteger TempNum=new BigInteger("0");

BigInteger Big0=new BigInteger("0");

BigInteger Max=new BigInteger("0");

@SuppressWarnings("unused")

String subway_1=subway_1("C:/D/shuzu.txt");

//System.out.println(subway_1);

long num=0;

long num1=0;

for(int i=0;i<number.length;i++) {

boolean flag=Isnumber(number[i]);

if(flag==true) {

System.out.println("注意：请输入数值！");

BigInteger BigNum=new BigInteger(number[i]);

TempNum=TempNum.add(BigNum);

int is=TempNum.compareTo(Big0);

if(is==-1) {

TempNum=new BigInteger("0");

}else {

num++;

if(num>(0.5*number.length)) {

System.out.println("你真厉害，到底了哦！");

break;

}

int is2=TempNum.compareTo(Max);

if(is2!=-1) {

Max=TempNum;

num1=i+1;

}

}

System.out.println("读取的"+(i+1)+"个数值："+BigNum);

System.out.println("当前判断子数组开始的数是："+num1);

System.out.println("当前判断子数组的数是："+(i+1));

System.out.println("最大值："+Max);

Thread.sleep(1000);

}

else

System.out.println("输入不为数值！");

}

}

private static String[]number;

private static String subway_1(String file) throws IOException {

// TODO Auto-generated method stub

File f=new File(file);

@SuppressWarnings("resource")

BufferedReader bf=new BufferedReader(new FileReader(f));

/*

String content="";

content=bf.readLine();

int line=Integer.parseInt(content);

content=bf.readLine();

@SuppressWarnings("unused")

int list=Integer.parseInt(content);

content="";

for(int aline=0;aline<line;aline++) {

content=content+bf.readLine();

}

String[] temp = content.split(",");

number=temp;

*/

String content="";

content=bf.readLine();

content=content+content;

String[] temp = content.split(",");

number=temp;

return null;

}

private static boolean Isnumber(String num) {

Pattern pattern = Pattern.compile("-?[0-9]+(.[0-9]+)?");

Matcher isNum = pattern.matcher(num);

if( !isNum.matches() ){

return false;

}

return true;

}

 

}