LogicGates/eu.heili/DigitalInput.java

public class DigitalInput {
    private boolean value = false;

    public DigitalInput(boolean value) {
        this.value = value;
    }

    /**
     * default value is false!
     */
    public DigitalInput() {
    }

    public void setValue(boolean value) {
        this.value = value;
    }

    public void setValue(LogicGate gate) {
        this.value = gate.getOutput(); // todo validation stuff
    }

    public void setValue(int value) {
        this.value = value > 0;
    }

    public void setValue(char value) {
        this.value = value == 'H';
    }

    public boolean getValue() {
        return value;
    }
}