frist.java

清华大学的java教程

import java.util.Scanner;
public class frist
{
	public static void main (String[] args)
	{
		float a,b,c,t;
		Scanner scan=new Scanner(System.in);
		a=scan.nextFloat();
		b=scan.nextFloat();
		c=scan.nextFloat();
		if(a>b)
		{
			t=a;a=b;b=t;
		}
		if(a>c)
		{
		    t=a;a=c;c=t;	
		}
		if(b>c)
		{
			t=b;b=c;c=t;
		}
		System.out.print(a+"\t");
		System.out.print(b+"\t");
		System.out.println(c);
	}
}