JAVA Swings Sample Codes CODE NO: EduLanka Sample Java Codes - ONLINE JAVA
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1 JAVA Swings Sample Codes CODE NO: 1 public class aaa extends JApplet implements ActionListener JLabel lblname,lbladdress,lbltelno; JTextField txtname,txtaddress,txttelno; JButton btndisplay,btnclear; lblname=new JLabel("Name"); lbladdress=new JLabel("Address"); lbltelno=new JLabel("Tel -No"); txtname=new JTextField(); txtaddress=new JTextField(); txttelno=new JTextField(); btndisplay=new JButton("Display"); btnclear=new JButton("Clear"); lblname.setbounds(30,30,100,30); lbladdress.setbounds(30,70,100,30); lbltelno.setbounds(30,100,100,30); EduLanka Online Education
2 txtname.setbounds(150,30,200,30); txtaddress.setbounds(150,70,200,30); txttelno.setbounds(150,100,100,30); btndisplay.setbounds(50,175,120,30); btnclear.setbounds(220,175,120,30); add(lblname); add(txtname); add(lbladdress); add(txtaddress); add(lbltelno); add(txttelno); add(btndisplay); add(btnclear); btndisplay.addactionlistener(this); btnclear.addactionlistener(this); if(e.getsource()==btndisplay) txtname.settext("my Name"); txtaddress.settext("edulanka Alawathugoda"); txttelno.settext(" "); else txtname.settext(""); txtaddress.settext(""); txttelno.settext(""); //end class //<applet code="aaa.class" width=450 height=250></applet> CODE NO: 2 EduLanka Online Education
3 public class ex extends JApplet implements ActionListener JLabel lblsc,lblred,lblgreen,lblblue,lblyellow,lblchoice; JTextField txtchoice,txtoutput; JButton btnshow; public void paint(graphics a) a.drawrect(20,20,350,250); lblsc=new JLabel("Selecting Colors"); lblred=new JLabel("1. Red"); lblgreen=new JLabel("2. Green"); lblblue=new JLabel("3. Blue"); lblyellow=new JLabel("4. Yellow"); lblchoice=new JLabel("Choice"); txtchoice=new JTextField(); txtoutput=new JTextField(); btnshow=new JButton("Show"); lblsc.setbounds(30,30,200,20); lblred.setbounds(50,50,60,20); lblgreen.setbounds(50,80,60,20); lblblue.setbounds(50,110,60,20); lblyellow.setbounds(50,140,60,20); lblchoice.setbounds(30,160,60,30); txtchoice.setbounds(90,160,30,30); txtoutput.setbounds(30,200,300,30); btnshow.setbounds(180,160,100,30); add(lblsc); add(lblred); add(lblgreen); add(lblblue); add(lblyellow); add(lblchoice); add(txtchoice); add(txtoutput); add(btnshow); btnshow.addactionlistener(this); if(e.getsource()==btnshow) EduLanka Online Education
4 int Choice=Integer.parseInt(txtChoice.getText()); if(choice==1) txtoutput.setbackground(color.red); txtoutput.settext("you have selected RED color"); if(choice==2) txtoutput.setbackground(color.green); txtoutput.settext("you have selected GREEN color"); if(choice==3) txtoutput.setbackground(color.blue); txtoutput.settext("you have selected BLUE color"); if(choice==4) txtoutput.setbackground(color.yellow); txtoutput.settext("you have selected YELLOW color"); //<applet code="ex.class" width=450 height=250></applet>. CODE NO: 3 public class selcol extends JApplet implements ActionListener JLabel lblsc,lblred,lblgreen,lblblue,lblyellow,lblchoice; JTextField txtchoice,txtoutput; JButton btnshow; lblsc=new JLabel("Selecting Colors"); lblred=new JLabel("1. Red"); lblgreen=new JLabel("2. Green"); lblblue=new JLabel("3. Blue"); lblyellow=new JLabel("4. Yellow"); lblchoice=new JLabel("Choice"); txtchoice=new JTextField(); txtoutput=new JTextField(); btnshow=new JButton("Show"); lblsc.setbounds(30,30,200,20); EduLanka Online Education
5 lblred.setbounds(50,50,60,20); lblgreen.setbounds(50,80,60,20); lblblue.setbounds(50,110,60,20); lblyellow.setbounds(50,140,60,20); lblchoice.setbounds(30,160,60,30); txtchoice.setbounds(90,160,30,30); txtoutput.setbounds(30,200,300,30); btnshow.setbounds(180,160,100,30); add(lblsc); add(lblred); add(lblgreen); add(lblblue); add(lblyellow); add(lblchoice); add(txtchoice); add(txtoutput); add(btnshow); btnshow.addactionlistener(this); if(e.getsource()==btnshow) int Choice=Integer.parseInt(txtChoice.getText()); if(choice==1) txtoutput.setbackground(color.red); txtoutput.settext("you have selected RED color"); if(choice==2) txtoutput.setbackground(color.green); txtoutput.settext("you have selected GREEN color"); if(choice==3) txtoutput.setbackground(color.blue); txtoutput.settext("you have selected BLUE color"); if(choice==4) txtoutput.setbackground(color.yellow); txtoutput.settext("you have selected YELLOW color"); //<applet code="selcol.class" width=450 height=250></applet> EduLanka.com On line Education school of Sri Lanka. EduLanka Online Education
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Proctors are unable to respond to queries about the interpretation of exam questions. Do your best to answer exam questions as written.
QUEEN'S UNIVERSITY SCHOOL OF COMPUTING HAND IN Answers Are Recorded on Question Paper CMPE212, FALL TERM, 2012 FINAL EXAMINATION 18 December 2012, 2pm Instructor: Alan McLeod If the instructor is unavailable
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CMP-326 Exam 2 Spring 2018 Total 120 Points Version 1
Version 1 5. (10 Points) What is the output of the following code: int total = 0; int i = 0; while( total < 90 ) { switch( i ) { case 0: total += 30; i = 1; break; case 1: i = 2; total -= 15; case 2: i
Basics of Object Oriented Programming. Visit for more.
Chapter 4: Basics of Object Oriented Programming Informatics Practices Class XII (CBSE Board) Revised as per CBSE Curriculum 2015 Visit www.ip4you.blogspot.com for more. Authored By:- Rajesh Kumar Mishra,
Contents Introduction 1
SELF-STUDY iii Introduction 1 Course Purpose... 1 Course Goals...1 Exercises... 2 Scenario-Based Learning... 3 Multimedia Overview... 3 Assessment... 3 Hardware and Software Requirements... 4 Chapter 1