- package com.itheima;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- /*
- * 第七题、 编写程序接收键盘输入的5个数,装入一个数组,并找出其最大数和最小数。
- * 思路:
- */
- public class Text7
- {
- public static void main(String args)
- {
- getNumber();
- }
-
- public static void getNumber()
- {
- BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
-
- int[] arr = new int[5];
- int count = 0;
-
- try
- {
- String line = br.readLine();
-
- while(line!=null)
- {
- int num = Integer.parseInt(line);
-
- arr[count] = num;
-
- count++;
-
- if(count==5)
- {
- break;
- }
- }
-
- arr = sortArr(arr);
-
- int min = arr[0];
- int max = arr[arr.length-1];
-
- System.out.println(min);
- System.out.println(max);
-
- br.close();
-
- }
- catch (IOException e)
- {
- System.out.println("异常情况,请正确输入");
- }
- }
-
- public static int[] sortArr(int[] arr)
- {
- int temp = 0;
-
- for(int i=0; i<arr.length-1; i++)
- {
- if(arr[i]>arr[i+1])
- {
- temp = arr[i];
- arr[i] = arr[i+1];
- arr[i+1] = temp;
- }
- }
-
- return arr;
- }
- }
复制代码 |