Widerholungsaufgabe Gemischte Logische Schaltung

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

public class schaltung extends Applet

{

// private Klasse objekt;

private Und und1;

private Und und2;

private Oder oder1;

private Nicht nicht1;

boolean a,b;

TextArea textArea1 = new TextArea();

public void init()

{ try

{jbInit();}

catch(Exception e)

{e.printStackTrace();}

}

private void jbInit() throws Exception

{

this.setLayout(null);

this.setBackground(Color.white);

textArea1.setBounds(new Rectangle(1, 174, 232, 321));

textArea1.setFont(new java.awt.Font("Dialog", 0, 14));

// objekt1 = new Klasse();

und1 = new Und();

und2 = new Und();

oder1 = new Oder();

nicht1 = new Nicht();

this.add(textArea1, null);

}

public void paint(Graphics g)

{

// g.drawImage(getImage (getDocumentBase(),"Name des Bildes"),x,y,Breite,Hoehe,this);

g.drawImage(getImage (getDocumentBase(),"Schaltung1.jpg"),0,0,400,165,this);

verarbeiten();

}

private void berechne(){

oder1.setE1(a);

oder1.setE2(b);

und1.setE1 (a);

und1.setE2 (b);

und2.setE1(oder1.getA());

nicht1.setE1(und1.getA());

und2.setE2(nicht1.getA());

}

private void verarbeiten()

{

// Anweisungen;

textArea1.setText(" Gemischte Testschaltung \n\n");

a=false;

b=false;

berechne();

textArea1.append( "Eingang A = false \n");

textArea1.append( "Eingang B = false \n");

textArea1.append( "Ausgang Q = " +und2.getA());

a=true;

b=false;

berechne();

textArea1.append( "\nEingang A = true \n");

textArea1.append( "Eingang B = false \n");

textArea1.append( "Ausgang Q = " +und2.getA());

a=false;

b=true;

berechne();

textArea1.append( " \nEingang A = false \n");

textArea1.append( "Eingang B = frue \n");

textArea1.append( "Ausgang Q = " +und2.getA());

a=true;

b=true;

berechne();

textArea1.append( " \nEingang A = true \n");

textArea1.append( "Eingang B = true \n");

textArea1.append( "Ausgang Q = " +und2.getA());

}

}

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Klasse Und

public class Und

{

private boolean e1,e2,a;

public Und()

{

e1 = e2 = a = false;

}

public void setE1( boolean wert )

{

e1 = wert;

a = e1 && e2;

}

public void setE2( boolean wert )

{

e2 = wert;

a = e1 && e2;

}

public boolean getA()

{

return a;

}

public boolean getE1()

{

return e1;

}

public boolean getE2()

{

return e2;

}

}

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Klasse Oder

public class Oder

{

private boolean e1,e2,a;

public Oder()

{

e1 = e2 = a = false;

}

public void setE1( boolean wert )

{

e1 = wert;

a = e1 || e2;

}

public void setE2( boolean wert )

{

e2 = wert;

a = e1 || e2;

}

public boolean getA()

{

return a;

}

public boolean getE1()

{

return e1;

}

public boolean getE2()

{

return e2;

}

}

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Klasse Nicht

public class Nicht

{

private boolean e1,a;

public Nicht()

{

e1 = a = false;

}

public void setE1( boolean wert )

{

e1 = wert;

a = !e1;

}

public boolean getA()

{

return a;

}

public boolean getE1()

{

return e1;

}

}AA