/* PROGRAM TO IMPLEMENT SIMPLE CALCULATOR USING AWT
PROGRAM TO IMPLEMENT SIMPLE CALCULATOR USING AWT*/ import java.awt.*; import java.awt.event.*; import java.applet.*;.
LAB MANUAL FOR PRACTICAL COURSES
PROGRAM import java.awt.*; import java.applet.*; import java.awt.event.*; To write a calculator program using java swing. ALGORITHM:.
Introduction to Programming Using Java
6.7.4 A Simple Calculator . Introduction to Programming Using Java is a free introductory computer programming ... AWT in most modern Java programs.
INTRODUCTION TO JAVA PROGRAMMING LECTURE NOTES B
GUI Programming with Java – AWT class hierarchy component
Chapter 4: Events GUI Components
https://mathcs.org/java/jbd/JBD%20-%20Chapter%2004.pdf
Introduction to GUI
by the application. • The panel in the Future Value Calculator interface contains ten ... The AWT classes are stored in the java.awt package while the.
SLIP 1 :
1) Write a java program to calculate area of rectangle by passing and 2) Design an AWT application to accept a number from user through textbox and ...
A Calculator Project
The Calculator class creates a UserInterface Class The buttons on the calculator are arranged in a 4x4 grid layout ... import java.awt.event.*;.
JAVA PROGRAMMING
Demonstrate an ability to design an object oriented system AWT B)Write a Java program compute factorial value using Applet.
L155 - JAVA PROGRAMMING LAB 1 a). Write a java program to
Write an applet program using Key events? 19 (a) Write a java program by using AWT components. (b) Write a java program to implement arithmetic calculator.
String msg=" ";
int v1,v2,result;TextField t1;
Button b[]=new Button[10];
Button add,sub,mul,div,clear,mod,EQ;
char OP; public void init(){Color k=new Color(120,89,90);
setBackground(k); t1=new TextField(100);GridLayout gl=new GridLayout(4,5);
setLayout(gl); for(int i=0;i<10;i++){ b[i]=new Button(""+i); add=new Button("+"); sub=new Button("-"); mul=new Button("*"); div=new Button("/"); mod=new Button("%"); clear=new Button("clear");EQ=new Button("=");
t1.addActionListener(this); add(t1); for(int i=0;i<10;i++) { add(b[i]); add(add); add(sub); add(mul); add(div); add(mod); add(clear); add(EQ); for(int i=0;i<10;i++) { b[i].addActionListener(this); add.addActionListener(this); sub.addActionListener(this); mul.addActionListener(this); div.addActionListener(this); mod.addActionListener(this); clear.addActionListener(this);EQ.addActionListener(this);
public void actionPerformed(ActionEvent ae){ String str=ae.getActionCommand(); 1KNREDDYJAVA PROGRAMMING char ch=str.charAt(0); if (Character.isDigit(ch)) t1.setText(t1.getText()+str); else if(str.equals("+")) { v1=Integer.parseInt(t1.getText());OP='+';
t1.setText(""); else if(str.equals("-")) { v1=Integer.parseInt(t1.getText());OP='-';
t1.setText(""); else if(str.equals("*")) { v1=Integer.parseInt(t1.getText());OP='*';
t1.setText(""); else if(str.equals("/")) { v1=Integer.parseInt(t1.getText());OP='/';
t1.setText(""); else if(str.equals("%")){ v1=Integer.parseInt(t1.getText());OP='%';
t1.setText(""); if(str.equals("=")){ v2=Integer.parseInt(t1.getText()); if(OP=='+') result=v1+v2; else if(OP=='-') result=v1-v2; else if(OP=='*') result=v1*v2; else if(OP=='/') result=v1/v2; else if(OP=='%') result=v1%v2; t1.setText(""+result); if(str.equals("clear")) { t1.setText("");2KNREDDYJAVA PROGRAMMING
/*PROGRAM TO IMPLEMENT SIMPLE CALCULATOR USING SWING*/ import java.awt.*; import javax.swing.*; public class Calculator1 implements ActionListener{JLabel jlab;
char OP;JTextField t1;
int v1,v2; float result;Calculator1( ) {
JButton b[]=new JButton[10];
JButton add,sub,mul,div,clear,mod,EQ;
JFrame jfrm = new JFrame("CALCULATOR");
jfrm.setSize(300, 180); jfrm.setLayout(new GridLayout(5,5)); t1=new JTextField(100); for(int i=0;i<10;i++) { b[i]=new JButton(""+i); add=new JButton("+"); sub=new JButton("-"); mul=new JButton("*"); div=new JButton("/"); mod=new JButton("%"); clear=new JButton("clear");EQ=new JButton("=");
t1.addActionListener(this); for(int i=0;i<10;i++){ b[i].addActionListener(this); add.addActionListener(this); sub.addActionListener(this); mul.addActionListener(this); div.addActionListener(this); mod.addActionListener(this); clear.addActionListener(this);EQ.addActionListener(this);
jfrm.add(t1); for(int i=0;i<10;i++) { jfrm.add(b[i]); jfrm.add(add); jfrm.add(sub); jfrm.add(mul); jfrm.add(div); jfrm.add(mod); jfrm.add(clear); jfrm.add(EQ); jfrm.setVisible(true); public void actionPerformed(ActionEvent ae) {String str=ae.getActionCommand();
char ch=str.charAt(0); if (Character.isDigit(ch)) t1.setText(t1.getText()+str); 3KNREDDYJAVA PROGRAMMING else if(str.equals("+")) { v1=Integer.parseInt(t1.getText());OP='+';
t1.setText(""); else if(str.equals("-")){ v1=Integer.parseInt(t1.getText());OP='-';
t1.setText(""); else if(str.equals("*")) { v1=Integer.parseInt(t1.getText());OP='*';
t1.setText(""); else if(str.equals("/")){ v1=Integer.parseInt(t1.getText());OP='/';
t1.setText(""); else if(str.equals("%")){ v1=Integer.parseInt(t1.getText());OP='%';
t1.setText(""); if(str.equals("=")){ v2=Integer.parseInt(t1.getText()); if(OP=='+') result=v1+v2; else if(OP=='-') result=v1-v2; else if(OP=='*') result=v1*v2; else if(OP=='/') result=(float)v1/v2; else if(OP=='%') result=v1%v2; t1.setText(""+result); if(str.equals("clear")) { t1.setText(""); public static void main(String[] args) {quotesdbs_dbs4.pdfusesText_7[PDF] calculator program in java using do while loop
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