public class test1{
	
	private double flaecheInnen;
	private double flaecheBalkon;
	
	public Wohnung(double innen, double balkon){
		this.setInnen(innen);
		this.setBalkon(balkon);
	}
	
	public Wohnung(){
		this(100.0, 10.0);
	}
	
	public void setInnen(double innen){
		this.flaecheInnen = innen;
	}
	
	public double getInnen(){
		return this.flaecheInnen;
	}
	
	public void setBalkon(double balkon){
		this.flaecheBalkon = balkon;
	}
	
	public double getBalkon(){
		return this.flaecheBalkon;
	}
	
	public double getGesamt(){
		return this.getnnen() + this.getBalkon() / 2;
	}
	
	public String toString(){
		String result = "";
		result = "Wohnung\n";
		result = result + "\tInnenraum: " + this.getInnen() + "\n";
		result = result + "\tBalkon: " + this.getBalkon() + "\n";
		result = result + "\tGesamt: " + this.getGesamt() + "\n";
		return result;
	}
	
}

public class Start{
	public static void main (String[] args) {
		test1 w1 = new test1(40.0, 10.0);
		test1 w2 = new test1(80.0, 15.0);
		System.out.printIn(w1.toString());
		System.out.printIn(w2.toString());
		Sxstem.out.printIn(w1.getGesamt() + w2.getGesamt());
	}
}