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java chain of responsibility

Grotesque Gibbon answered on October 21, 2022 Popularity 8/10 Helpfulness 2/10

answer java chain of responsibility

java chain of responsibility

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// Java Chain Of Responsibility pattern

public class Currency {
	private int amount;
	
	public Currency(int amt){
		this.amount=amt;
	}
	
	public int getAmount(){
		return this.amount;
	}
}

public abstract class DispenseChain {
	protected DispenseChain chain;
	protected int DollarBill;

	public void setNextChain(DispenseChain nextChain) {
		this.chain=nextChain;
	}
	
	public void dispense(Currency cur) {
		if(cur.getAmount() >= DollarBill){
			int num = cur.getAmount()/DollarBill;
			int remainder = cur.getAmount() % DollarBill;
			System.out.println("Dispensing " + num + " " + DollarBill + "$ note");
			if(remainder !=0) this.chain.dispense(new Currency(remainder));
		} else {
			this.chain.dispense(cur);
		}
	}
}

public class Dollar10Dispenser extends DispenseChain {
	public Dollar10Dispenser() {DollarBill = 10;}
}

public class Dollar20Dispenser extends DispenseChain {
	public Dollar20Dispenser() {DollarBill = 20;}
}

public class Dollar50Dispenser extends DispenseChain {
	public Dollar50Dispenser() {DollarBill = 50;}
}

public class DispenseClient {
	public DispenseChain createDispense() {
		DispenseChain c1 = new Dollar50Dispenser();
		DispenseChain c2 = new Dollar20Dispenser();
		DispenseChain c3 = new Dollar10Dispenser();
		
		c1.setNextChain(c2);
		c2.setNextChain(c3);
		
		return c1;
	}
}

public class Program {
	public static void main(String[] args) {
		DispenseClient client = new DispenseClient();
		DispenseChain atm = client.createDispense();

		atm.dispense(new Currency(130));
	}
}

// Dispensing 2 50$ note
// Dispensing 1 20$ note
// Dispensing 1 10$ note

Popularity 8/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: chain-of-responsibility java

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Contributed on Oct 21 2022

Grotesque Gibbon

0 Answers Avg Quality 2/10

java chain of responsibility

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