public class Telephone {
	private int areaCode;
	private int threeDigitValue;
	private int fourDigitValue;
	private String username;

	public Telephone(int areaCode, int threeDigitValue, int fourDigitValue, String username){
		this.areaCode = areaCode;
		this.threeDigitValue = threeDigitValue;
		this.fourDigitValue = fourDigitValue;
		this.username = username;
	   }

	public Telephone(){
	    areaCode = 555;
	    threeDigitValue = 555;
	    fourDigitValue = 5555;
	    username = null;
		}

	public Telephone(Telephone teleToCopy) {
	    this.areaCode = teleToCopy.getAreaCode();
	    this.threeDigitValue = teleToCopy.getThreeDigitValue();
	    this.fourDigitValue = teleToCopy.getFourDigitValue();
	    this.username = teleToCopy.getUsername();
	}

	public boolean equals(Telephone tele){
		if((this.areaCode == tele.getAreaCode()) &&
			(this.threeDigitValue == tele.getThreeDigitValue()) &&
			(this.fourDigitValue == tele.getFourDigitValue())){
			return true;
		}
		return false;
	}

	public String toString(){
		return ("username: " + username +". phone number: " +
                         areaCode+threeDigitValue+fourDigitValue);
	}

	public void setAreaCode(int areaCodeIn){
		if(areaCodeIn > 99 && areaCodeIn < 1000){
			areaCode =  areaCodeIn;
		}
	}
	public void setThreeDigitValue(int threeDigitValueIn){
		if(threeDigitValueIn > 99 && threeDigitValueIn < 1000){
			threeDigitValue =  threeDigitValueIn;
		}
	}

	public void setFourDigitValue(int fourDigitValueIn){
		if(fourDigitValueIn > 999 && fourDigitValueIn < 10000){
			fourDigitValue =  fourDigitValueIn;
		}
	}

	public void setUsername(String usernameIn){
		username = usernameIn;
	}


	public int getAreaCode(){
		return areaCode;
	}
	public int getThreeDigitValue(){
		return threeDigitValue;
	}
	public int getFourDigitValue(){
		return fourDigitValue;
	}
	public String getUsername(){
		return username;
	}

}