java-design-patterns/state/src/main/java/com/iluwatar/AngryState.java

package com.iluwatar;

public class AngryState implements State {

	private Mammoth mammoth;

	public AngryState(Mammoth mammoth) {
		this.mammoth = mammoth;
	}

	@Override
	public void observe() {
		System.out.println(String.format("%s is furious!", mammoth));
	}

	@Override
	public void onEnterState() {
		System.out.println(String.format("%s gets angry!", mammoth));
	}

}