Greeting.java

package org.wikijava.simpleIO;
 
/** 
 * @author (Alex Mutuku Mbolonzi)  
 * @version (07/06/08)
 */
 
import java.io.*;
 
public class Greeting {
 
    public static void main(String args[]) throws Exception {
 
	BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
 
	String firstName = "";
	String lastName = "";
	String weather = "";
 
	// The system prompts the user to enter their First Name
 
	/**
	 * asks the first name until the user writes something
	 */
 
	while ("".equals(firstName)) {
	    System.out.print("PLEASE ENTER YOUR FIRST NAME: ");
	    firstName = in.readLine();
	}
 
	/**
	 * asks the last name until the user writes something
	 */
	while ("".equals(lastName)) {
	    System.out.print("PLEASE ENTER YOUR LAST NAME: ");
	    lastName = in.readLine();
	}
 
	/**
	 * Once the user has entered their first and last name the system
	 * displays a greeting massage in upper case and prompts the user to
	 * describe how the weather is like, the system then displays a massage
	 * telling the user that maybe the weather will be better tomorrow.
	 */
 
	System.out.print("HELLO " + firstName.toUpperCase() + "  "
		+ lastName.toUpperCase());
 
	System.out.print(",  What is the Weather like today? ");
 
	weather = in.readLine();
 
	System.out.print("Maybe tomorrow will be nicer.");
    }
 
}