//Datei Starter.java
package lesson_01;

public class Starter {

	public static void main(String[] args) {
		UND u1 = new UND();
		System.out.println(u1.info());
		System.out.println(u1.schalten());

	}

}

//Datei Logikgatter.java
package lesson_01;

public abstract class Logikgatter {

	public String info() {
		return "Logikgatter";
	}

	public abstract boolean schalten();
}

package lesson_01;

public class UND extends Logikgatter{

	@Override
	public boolean schalten() {
		boolean b1 = true;
		boolean b2 = true;
		return b1&&b2;
	}

	public String info() {
		return "Und";
	}

}

package lesson_01;

public class ODER extends Logikgatter {

	@Override
	public boolean schalten() {
		boolean b1 = true;
		boolean b2 = true;
		return b1||b2;
	}

	public String info() {
		return "Oder";
	}

}


package lesson_01;

public class NICHT extends Logikgatter {

	@Override
	public boolean schalten() {
		boolean b = true;
		return !b;
	}

	public String info() {
		return "Nicht";
	}
}