z2_16.java

java 源代码 Java语言程序设计第二版 主编 张思民

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class z2_16 {

	public static void main(String[] args) throws NumberFormatException,IOException {
		InputStreamReader isr = new InputStreamReader(System.in); 
			BufferedReader br = new BufferedReader(isr);
			int a[] = new int[5];
			int k, temp;
			System.out.println("请输入5个数字(每输入一个数字后请换行)");
			for (int i = 0; i < 5; i++) {
				a[i] = Integer.parseInt(br.readLine());
			}
			for (int i = 0; i < a.length; i++) {
				k = i;
				for (int j = k + 1; j < a.length; j++) {
					if (a[j] < a[k]) {
						k = j;
					}
				}
				if (k != i) {
					temp = a[i];
					a[i] = a[k];
					a[k] = temp;
				}
			}
			System.out.println("最小数字 ："+a[0]);
			System.out.println("最大数字 ："+a[a.length-1]);
			System.out.println("从小到大排序：");
			for (int i = 0; i < a.length; i++) {
				System.out.print(a[i] + " ");
			}
		}
	}