Java to do a mouse drawing, keyboard to write the artboard

Tools: Eclipse

Language: Java

Results:

Source:

Import Java.awt.Color;

Import java.awt.Frame;

Import Java.awt.Graphics;

Import Java.awt.event.KeyAdapter;

Import java.awt.event.KeyEvent;

Import Java.awt.event.MouseAdapter;

Import java.awt.event.MouseEvent;

Import Java.awt.event.MouseListener;

Import Java.awt.event.MouseMotionAdapter;

Import Javax.swing.JFrame;

Import Javax.swing.JPanel;

class huitu{

JFrame mframe=new JFrame (" artboard ");

JPanel Mpanel=new JPanel ();

intlastx=0;

intlasty=0;

Public Huitu () {

// TODO auto-generated constructor stub

mframe. SetSize (+);

mframe. setvisible (true);

mframe. Setforeground (Color. BLUE );

mframe. Add (mpanel);

Mpanel. SetBackground (Color. White );

mframe. Addmouselistener (new mouseadapter () {

Public voidmousepress (MouseEvent e) {

lastx = e. GetX ();

lasty = e. GetY ();

}

});

mframe. Addmousemotionlistener (new mousemotionadapter () {

Public void mousedragged (MouseEvent e) {

intx=e. GetX ();

inty=e. GetY ();

Graphics g =mframe. getgraphics ();

G.drawLine (lastx, lasty, x, y);

lastx=e. GetX ();

lasty=e. GetY ();

}

});

mframe. Addkeylistener (new keyadapter () {

Public void keytyped (keyevent e) {

String string=string. ValueOf(e. Getkeychar ());

mframe. getgraphics (). DrawString (string, lastx, lasty);

lastx + = +;

}

});

}

}

Public class c5t8 {

Public staticvoid main (string[] args) {

// TODO auto-generated method stub

New Huitu ();

}

}

Java to do a mouse drawing, keyboard to write the artboard