Simpcalc.java

import javax.swing.*;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 * @author Siddharth1
 */
public class Simpcalc extends JFrame {

    /**
     * Creates new form simpcalc
     */
    public Simpcalc() {

        initComponents();
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private JPanel jPanel1;
    private JTextField t1;
    private JTextField t2;
    private JLabel l1;
    private JButton b1;
    private JButton b2;
    private JButton b3;
    private JButton b4;
    private JButton jButton5;
    private JButton jButton6;
    private JLabel jLabel1;
    // End of variables declaration//GEN-END:variables

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new JPanel();
        t1 = new JTextField();
        t2 = new JTextField();
        l1 = new JLabel();
        b1 = new JButton();
        b2 = new JButton();
        b3 = new JButton();
        b4 = new JButton();
        jButton5 = new JButton();
        jButton6 = new JButton();
        jLabel1 = new JLabel();

        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBackground(new java.awt.Color(204, 204, 255));

        jPanel1.setBackground(new java.awt.Color(204, 204, 255));
        jPanel1.setBorder(BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
        jPanel1.setToolTipText("");

        t1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                t1ActionPerformed(evt);
            }
        });

        l1.setFont(new java.awt.Font("Times New Roman", 1, 18)); // NOI18N
        l1.setText("Answer:: ");

        b1.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        b1.setText("ADD");
        b1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                b1ActionPerformed(evt);
            }
        });

        b2.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        b2.setText("SUBTRACT");
        b2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                b2ActionPerformed(evt);
            }
        });

        b3.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        b3.setText("MULTIPLY");
        b3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                b3ActionPerformed(evt);
            }
        });

        b4.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        b4.setText("DIVIDE");
        b4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                b4ActionPerformed(evt);
            }
        });

        jButton5.setBackground(new java.awt.Color(0, 51, 51));
        jButton5.setForeground(new java.awt.Color(102, 102, 102));
        jButton5.setText("RESET");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        jButton6.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        jButton6.setForeground(new java.awt.Color(255, 51, 0));
        jButton6.setText("EXIT");
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });

        GroupLayout jPanel1Layout = new GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGap(85, 85, 85)
                                .addComponent(jButton5)
                                .addGap(44, 44, 44)
                                .addComponent(jButton6)
                                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGap(39, 39, 39)
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                                        .addComponent(b1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(b3, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 72, Short.MAX_VALUE)
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                                        .addComponent(b2, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(b4, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                .addGap(59, 59, 59))
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGap(49, 49, 49)
                                .addComponent(t1, GroupLayout.PREFERRED_SIZE, 91, GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(t2, GroupLayout.PREFERRED_SIZE, 91, GroupLayout.PREFERRED_SIZE)
                                .addGap(46, 46, 46))
                        .addGroup(GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(l1, GroupLayout.PREFERRED_SIZE, 126, GroupLayout.PREFERRED_SIZE)
                                .addGap(102, 102, 102))
        );
        jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                                        .addComponent(t2, GroupLayout.DEFAULT_SIZE, 36, Short.MAX_VALUE)
                                        .addComponent(t1))
                                .addGap(25, 25, 25)
                                .addComponent(l1)
                                .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                        .addComponent(b1)
                                        .addComponent(b2))
                                .addGap(34, 34, 34)
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                        .addComponent(b3)
                                        .addComponent(b4))
                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 52, Short.MAX_VALUE)
                                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                        .addComponent(jButton5)
                                        .addComponent(jButton6)))
        );

        jLabel1.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jLabel1.setText("CALCULATOR");

        GroupLayout layout = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addContainerGap())
                        .addGroup(layout.createSequentialGroup()
                                .addGap(155, 155, 155)
                                .addComponent(jLabel1)
                                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
        //GEN-FIRST:event_jButton5ActionPerformed
        // TODO add your handling code here:
        t1.setText(null);
        t2.setText(null);
        l1.setText(null);
    }//GEN-LAST:event_jButton5ActionPerformed

    private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
        //GEN-FIRST:event_jButton6ActionPerformed
        // TODO add your handling code here:
        System.exit(0);
    }//GEN-LAST:event_jButton6ActionPerformed

    private void b1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            //GEN-FIRST:event_b1ActionPerformed
            float a = Float.parseFloat(t1.getText());

            float b = Float.parseFloat(t2.getText());
            float c = a + b;

            l1.setText(c + " ");
            //GEN-LAST:event_b1ActionPerformed
        } catch (NumberFormatException e) {
            System.err.println(e);
        }
    }

    private void b2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            //GEN-FIRST:event_b2ActionPerformed
            float a = Float.parseFloat(t1.getText());
            float b = Float.parseFloat(t2.getText());
            float c = a - b;
            l1.setText(c + " ");
            //GEN-LAST:event_b2ActionPerformed
        } catch (NumberFormatException e) {
            System.err.println(e);
        }
    }

    private void b3ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            //GEN-FIRST:event_b3ActionPerformed
            float a = Float.parseFloat(t1.getText());
            float b = Float.parseFloat(t2.getText());
            float c = a * b;
            l1.setText(c + " ");
            //GEN-LAST:event_b3ActionPerformed
        } catch (NumberFormatException e) {
            System.err.println(e);
        }
    }


    private void b4ActionPerformed(java.awt.event.ActionEvent evt) {

        // TODO add your handling code here:
        try {
            //GEN-FIRST:event_b4ActionPerformed
            float a = Float.parseFloat(t1.getText());
            float b = Float.parseFloat(t2.getText());
            float c = a / b;
            l1.setText(c + " ");
            //GEN-LAST:event_b4ActionPerformed
        } catch (NumberFormatException e) {
            System.err.println(e);
        }
    }


    private void t1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_t1ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_t1ActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Simpcalc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Simpcalc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Simpcalc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Simpcalc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Simpcalc().setVisible(true);
            }
        });
    }
}