phonebutton.java

情话宝典

public class PhoneButton{
	public PhoneButton( char n, String s ){
		number = (int)n;
		string = s;
		counter = string.length();
	}

	public int getNumber(){
		return number;
	}
	
	public void press(){
		counter = (counter+1)%string.length();
	}
	public void clear(){
		counter = 0;
	}

	public char getChar(){
		return string.charAt(counter);
	}

	private int number;
	private int counter;
	private String string;
}