【程序34】 题目：输入3个数a,b,c，按大小顺序输出。

/*
2017年3月9日17:09:13
java基础50道经典练习题 例34
Athor: ZJY
Purpose:
【程序34】
题目：输入3个数a,b,c，按大小顺序输出。
程序分析：利用指针方法。

*/
import java.util.Scanner;

public class ProgramNo34_1
{
public static void main(String[] args) {
System.out.print("请输入要比较的三个数: ");
Scanner sc = new Scanner(System.in).useDelimiter("\\s");
int a = sc.nextInt();
int b = sc.nextInt();
int c = sc.nextInt();
sc.close();

compare(a, b, c);
}
private static void compare(int a, int b, int c) {
if(a > b) {
a = a+b;
b = a-b;
a = a-b;
}
if(b > c) {
b = b+c;
c = b-c;
b = b-c;
}
if(a > c) {
a = a+c;
c = a-c;
a = a-c;
}
System.out.println(a+"<"+b+"<"+c);

}
}

/*
2017年3月9日17:09:13
java基础50道经典练习题 例34
Athor: ZJY
Purpose:
*/
import java.util.Scanner;

public class ProgramNo34_2
{
public static void main(String[] args){
System.out.print("请输入3个数：");
Scanner scan = new Scanner(System.in).useDelimiter("\\s");
int a = scan.nextInt();
int b = scan.nextInt();
int c = scan.nextInt();
scan.close();
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(a+" "+b+" "+c);
}
}