使用程序为用户所录入的3 个数值进行升序排列，并将排序后的结果输出到控制台。（4种方法）

package day03;
//编写三个数值的排列顺序
import java.util.Scanner;
public class Sort {public static void main(String[] args) {Scanner scan = new Scanner(System.in);System.out.println("请依次输入三个整数：a,b,c（以空格隔开）");int a = scan.nextInt();int b = scan.nextInt();int c = scan.nextInt();System.out.println("您输入的是："+'\r'+"a="+a+",b="+b+",c="+c);//方法一，复杂if(a>b) {if(b>c) {System.out.println("升序排序后，结果为："+'\r'+"c="+c+",b="+b+",a="+a);}else {System.out.println("升序排序后，结果为："+'\r'+"b="+b+",c="+c+",a="+a);}}else {if(b>c) {if(a>c) {System.out.println("升序排序后，结果为："+'\r'+"c="+c+",a="+a+",b="+b);}else {System.out.println("升序排序后，结果为："+'\r'+"a="+a+",c="+c+",b="+b);}}else {System.out.println("升序排序后，结果为："+'\r'+"a="+a+",b="+b+",c="+c);}}//方法二int max = 0;int mid = 0;int min = 0;if (a>b && a>c) {max = a;}else if(b>a && b>c) {max = b;}else {max = c;}if (a<b && a<c) {min = a;}else if(b<a && b<c) {min = b;}else {min = c;}if((a>b && a<c) || (a>c && a<b)) {mid = a;}else if((b>a && b<c)|| (b>c && b<a)) {mid = b;}else {mid = c;}System.out.println(min+" "+mid+" "+max);//方法三if(a>b) {if(c>a) {System.out.println("升序排序后，结果为："+'\r'+"b="+b+",a="+a+",c="+c);}else if(c<b) {System.out.println("升序排序后，结果为："+'\r'+"c="+c+",b="+b+",a="+a);}else {System.out.println("升序排序后，结果为："+'\r'+"b="+b+",c="+c+",a="+a);}}else {if(c<a) {System.out.println("升序排序后，结果为："+'\r'+"c="+c+",a="+a+",b="+b);}else if (c>b) {System.out.println("升序排序后，结果为："+'\r'+"a="+a+",b="+b+",c="+c);}else {System.out.println("升序排序后，结果为："+'\r'+"a="+a+",c="+c+",b="+b);}}//方法四if(a>b) {int t = a;a = b;b = t;}if(a>c) {int t = a;a = c;c = t;}if(b>c) {int t = b;b = c;c = t;}System.out.println("升序排序后，结果为："+'\r'+"a="+a+",b="+b+",c="+c);}}