class1.java

按字典序排列(2个)

import java.io.*;

public class Class1
{
	public static void main(String args[])
	{
	
	String s="";
	char x='a',y='b',w='c';

try{
	 	do{	
System.out.print("请输入2个字母:");
			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		s=br.readLine();
		x=s.charAt(0);y=s.charAt(1);
		if((int)x<(int)y){w=x;}
		else{w=y;}
		
		System.out.println("字母序在前的是:"+w);}while(8!=9);
}catch(IOException e){}	
	
	
try{
	Thread.sleep(5000000);
}catch(InterruptedException e){}
	}
}