This is Change by Rohan

org/asl/socketserver/games/Change.java

@@ -0,0 +1,110 @@
+package org.asl.socketserver.games;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import org.asl.socketserver.Servable;
+
+public class Change implements Servable { 
+
+		BufferedReader input;
+		PrintWriter out;
+		Change change = new Change(); 
+	void change() {
+	}	
+
+	public void serve (BufferedReader input, PrintWriter out) throws IOException {
+		this.input = input;
+		this.out = out;
+		boolean run = true;
+		while(run){
+		int choice = runMenu();
+		if(choice == 0){
+			double price = getPrice();
+			double payment = getPayment(price);
+			double change = calculateChange(price, payment);
+			runChange(change);
+		}else{
+			run = false;
+		}		
+	}
+		}
+	public int runMenu(){
+		System.out.println("------------\n" 
+			+ "Welcome to Change" + "--------------\n" 
+			+   "------------\n"
+			+"0 - Run Change \n" 
+			+"1 - Exit \n"
+			+"------------- \n"
+			+"Press to choose an option");
+		//input.read();
+		try {
+			return input.read();
+		}catch(IOException e) {
+			return 0;
+		}
+
+
+	}
+	public double calculateChange(double price, double payment){
+		return payment - price;
+	}
+	public double getPrice(){
+		try {
+		//out.println()
+		out.println("Please enter price of product ($) : ");
+
+		double price = input.read();
+
+		while(price > 100){
+			out.println("Over one hundred");
+			out.println("Please enter again:");
+			price = input.read();
+		}
+		return price;
+		}catch (IOException e) {
+			return 0;
+		}
+	}
+	public double getPayment(double price){
+		try {
+		out.println("Please enter payment amount ($) : ");
+		double choice = input.read();
+		while(choice < price){
+			out.println("Entered amount is short changed");
+			out.println("Please enter again");
+			choice = input.read();
+		}
+		return choice;
+		}catch (IOException e) {
+			return 0;
+		}
+	}
+
+	public void runChange(double change){
+		change = printChange(change, 50);
+		change = printChange(change, 20);
+		change = printChange(change, 10);
+		change = printChange(change, 5);
+		change = printChange(change, 1);
+		change = printChange(change, 0.25);
+		change = printChange(change, 0.10);
+		change = printChange(change, 0.01);
+
+
+	}
+	public double printChange(double bill, double change){
+		int count = 0;
+		while(change >= bill){
+			change = change - bill;
+			count++;
+		}
+
+		if(count > 0) {
+			out.println("Give " + count + " x $" + bill);
+		}
+		return change;
+	}
+}
+