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Please code the following Java App using Swing

No additional classes are required. With that in mind ...

Write a program that emulates a calculator. Create a Label with a title of "Super Calculator", a textbox, where the numbers are displayed, a series of buttons labeled as shown, and a “Clear” button.

As the user enters the numbers, pressing the number buttons, display the numbers right justified to the textbox. When the user press any one of the operators, +, -, x, -, and /, clear the text screen and save the number as the right operand, then enter the numbers for the right operand. When the = sign is pressed, compute, and display the answer to the text screen. The . (decimal point) is considered part of a number, indicating a floating point value.

The clear button clears the screen. It allows the user to re-enter another number.

Super Calculator Clear

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Answer #1

Note: My color choice is worst. Please change it as per your choice.

Code

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.border.*;
public class SuperCalculator implements ActionListener
{
JTextField TD=new JTextField("");
String data="";
String tmp="";
double result=0;
int function = 0;//to keep track of +, -, *, /
JLabel jL=new JLabel("<html><font color='#00FF00' size=+4>Super Calculator</font></html>");
JButton bClear=new JButton("<html><font color='#808000' size=+2>Clear</font></html>");
JButton bExit=new JButton("<html><font color='#0000FF' size=+2>Exit</font></html>");

//buttons for GUI
JButton jb0=new JButton("<html><font color='#1bd11' size=+3>0</font></html>");
JButton jb1=new JButton("<html><font color='#1bd11' size=+3>1</font></html>");
JButton jb2=new JButton("<html><font color='#1bd11' size=+3>2</font></html>");
JButton jb3=new JButton("<html><font color='#1bd11' size=+3>3</font></html>");
JButton jb4=new JButton("<html><font color='#1bd11' size=+3>4</font></html>");
JButton jb5=new JButton("<html><font color='#1bd11' size=+3>5</font></html>");
JButton jb6=new JButton("<html><font color='#1bd11' size=+3>6</font></html>");
JButton jb7=new JButton("<html><font color='#1bd11' size=+3>7</font></html>");
JButton jb8=new JButton("<html><font color='#1bd11' size=+3>8</font></html>");
JButton jb9=new JButton("<html><font color='#1bd11' size=+3>9</font></html>");
JButton jb10=new JButton("<html><font color='#1bd11' size=+3>+</font></html>");
JButton jb11=new JButton("<html><font color='#1bd11' size=+3>-</font></html>");
JButton jb12=new JButton("<html><font color='#1bd11' size=+3>*</font></html>");
JButton jb13=new JButton("<html><font color='#1bd11' size=+3>/</font></html>");
JButton jb14=new JButton("<html><font color='#1bd11' size=+3>.</font></html>");
JButton jb15=new JButton("<html><font color='#0000FF' size=+3>=</font></html>");

//Main Form
JFrame jf=new JFrame("Java Form");

//for setting font for text field
Font font1 = new Font("SansSerif", Font.BOLD, 20);

//panel for command buttons
JPanel jp;


SuperCalculator()
    {
    //designing main window
    jf.setBounds(500,100,600,640); //left, top, width, height
    jf.setVisible(true);
    jf.setLayout(null); //i will place each control on a fixed position using setBounds
    jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    jL.setBounds(150, 0, 390, 80);   //left, top, width, height
    jf.add(jL);    //add button to panel
    TD.setBounds(120, 80, 350, 40);
    jf.add(TD);
    TD.setHorizontalAlignment(SwingConstants.RIGHT);
    //remove this lin if you want to enter using keyboard
    TD.setEditable(false); //so that you can not enter anything in result text field using keyboard
    TD.setFont(font1);

    jp = new JPanel();
    jp.setLayout(null);
    jp.setBounds(150, 150, 315, 315);
    jp.setBackground(Color.CYAN); //update color, my color choice is bad

    //GUI Setup
    //setBounds is to set exact position -- left, top, width, height
    //.add is to add control on panel or frame
    jb0.setBounds(40, 40, 60, 60);
    jp.add(jb0);
    jb1.setBounds(100, 40, 60, 60);
    jp.add(jb1);
    jb2.setBounds(160, 40, 60, 60);
    jp.add(jb2);
    jb3.setBounds(220, 40, 60, 60);
    jp.add(jb3);
    jb4.setBounds(40, 100, 60, 60);
    jp.add(jb4);
    jb5.setBounds(100, 100, 60, 60);
    jp.add(jb5);
    jb6.setBounds(160, 100, 60, 60);
    jp.add(jb6);
    jb7.setBounds(220, 100, 60, 60);
    jp.add(jb7);
    jb8.setBounds(40, 160, 60, 60);
    jp.add(jb8);
    jb9.setBounds(100, 160, 60, 60);
    jp.add(jb9);
    jb10.setBounds(160, 160, 60, 60);
    jp.add(jb10);
    jb11.setBounds(220, 160, 60, 60);
    jp.add(jb11);
    jb12.setBounds(40, 220, 60, 60);
    jp.add(jb12);
    jb13.setBounds(100, 220, 60, 60);
    jp.add(jb13);
    jb14.setBounds(160, 220, 60, 60);
    jp.add(jb14);
    jb15.setBounds(220, 220, 60, 60);
    jp.add(jb15);

    bExit.setBounds(100, 500, 180, 50);
    jf.add(bExit);
    bClear.setBounds(320, 500, 180, 50);
    jf.add(bClear);

    jf.add(jp);

    //add event on all the buttons
    bClear.addActionListener(this);
    bExit.addActionListener(this);

    jb0.addActionListener(this);
    jb1.addActionListener(this);
    jb2.addActionListener(this);
    jb3.addActionListener(this);
    jb4.addActionListener(this);
    jb5.addActionListener(this);
    jb6.addActionListener(this);
    jb7.addActionListener(this);
    jb8.addActionListener(this);
    jb9.addActionListener(this);
    jb10.addActionListener(this);
    jb11.addActionListener(this);
    jb12.addActionListener(this);
    jb13.addActionListener(this);
    jb14.addActionListener(this);
    jb15.addActionListener(this);

    }
    //this function triggers when user click on any button
    //using if condition you can track which button is pressed
    public void actionPerformed(ActionEvent ae)
    {
    if(ae.getSource()==bExit) //means Exit button is pressed
       {
       System.exit(0);   //exit condition
       }
    else if(ae.getSource()==bClear)
       {
       //clear all
       TD.setText("");
       result=0;
       function=0;
       tmp="";
       }
    else if(ae.getSource()==jb0)
       {
       tmp = tmp + "0";
       TD.setText(tmp); //show
       }
    else if(ae.getSource()==jb1)
       {
       tmp = tmp + "1";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb2)
       {
       tmp = tmp + "2";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb3)
       {
       tmp = tmp + "3";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb4)
       {
       tmp = tmp + "4";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb5)
       {
       tmp = tmp + "5";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb6)
       {
       tmp = tmp + "6";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb7)
       {
       tmp = tmp + "8";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb8)
       {
       tmp = tmp + "8";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb9)
       {
       tmp = tmp + "9";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb10)
       {
       result = Double.parseDouble(TD.getText());
       TD.setText("");
       function=1; //1 for add
       tmp="";
       }
    else if(ae.getSource()==jb11)
       {
       result = Double.parseDouble(TD.getText());
       TD.setText("");
       function=2;   //2 for -
       tmp="";
       }
    else if(ae.getSource()==jb12)
       {
       result = Double.parseDouble(TD.getText());
       TD.setText("");
       function=3;   //3 for *
       tmp="";
       }
    else if(ae.getSource()==jb13)
       {
       result = Double.parseDouble(TD.getText());
       TD.setText("");
       function=4;    //4 for /
       tmp="";
       }
    else if(ae.getSource()==jb14)
       {
       tmp = tmp + ".";
       TD.setText(tmp);
       }
    else if(ae.getSource()==jb15)
       {
       //check function value if it is +, -, * or /
       if(function==1)
         {
         result = result + Double.parseDouble(TD.getText());     //perform addition
         }
       else if(function==2)
         {
         result = result - Double.parseDouble(TD.getText());
         }
       else if(function==3)
         {
         result = result * Double.parseDouble(TD.getText());
         }
       else if(function==4)
         {
         result = result / Double.parseDouble(TD.getText());
         }
       if(result-(int)result!=0)
          TD.setText("" + result);
       else
          TD.setText("" + (int)result);

       //if you enter anything after = button than it will add that after result
       //if you want to clear after = symbol than set tmp="";
       tmp = TD.getText();
       }

    }
public static void main(String args[]) //main function to start application
    {
    new SuperCalculator(); try
      {
      UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
      }
    catch (Exception e){}
    }
}

Output:

Java Form - O X Super Calculator 0 1 2 3 4 5 6 7 8 9 + - Exit Clear

Code Screenshot

import java.awt.*; import javax.swing.*; import java.awt.event.*; import javax.swing.border.*; public class SuperCalculator i

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