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

package com.iluwatar;

public class PeacefulState implements State {

	private Mammoth mammoth;

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

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

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

}