main.java
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// Java program to write a student // information in JFrame and // storing it in a file import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; public class GFG { // Function to write a student // information in JFrame and // storing it in a file public static void StudentInfo() { // Creating a new frame using JFrame JFrame f = new JFrame( "Student Details Form"); // Creating the labels JLabel l1, l2, l3, l4, l5; // Creating three text fields. // One for student name, one for // college mail ID and one // for Mobile No JTextField t1, t2, t3; // Creating two JComboboxes // one for Branch and one // for Section JComboBox j1, j2; // Creating two buttons JButton b1, b2; // Naming the labels and setting // the bounds for the labels l1 = new JLabel("Student Name:"); l1.setBounds(50, 50, 100, 30); l2 = new JLabel("College Email ID:"); l2.setBounds(50, 120, 120, 30); l3 = new JLabel("Branch:"); l3.setBounds(50, 190, 50, 30); l4 = new JLabel("Section:"); l4.setBounds(420, 50, 70, 30); l5 = new JLabel("Mobile No:"); l5.setBounds(420, 120, 70, 30); // Creating the textfields and // setting the bounds for textfields t1 = new JTextField(); t1.setBounds(150, 50, 130, 30); t2 = new JTextField(); t2.setBounds(160, 120, 130, 30); t3 = new JTextField(); t3.setBounds(490, 120, 130, 30); // Creating two string arrays one for // braches and other for sections String s1[] = { " ", "CSE", "ECE", "EEE", "CIVIL", "MEC", "Others" }; String s2[] = { " ", "Section-A", "Section-B", "Section-C", "Section-D", "Section-E" }; // Creating two JComboBoxes one for // selecting branch and other for // selecting the section // and setting the bounds j1 = new JComboBox(s1); j1.setBounds(120, 190, 100, 30); j2 = new JComboBox(s2); j2.setBounds(470, 50, 140, 30); // Creating one button for Saving // and other button to close // and setting the bounds b1 = new JButton("Save"); b1.setBounds(150, 300, 70, 30); b2 = new JButton("close"); b2.setBounds(420, 300, 70, 30); // Adding action listener b1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Getting the text from text fields // and JComboboxes // and copying it to a strings String s1 = t1.getText(); String s2 = t2.getText(); String s3 = j1.getSelectedItem() + ""; String s4 = j2.getSelectedItem() + ""; String s5 = t3.getText(); if (e.getSource() == b1) { try { // Creating a file and // writing the data // into a Textfile. FileWriter w = new FileWriter( "GFG.txt", true); w.write(s1 + "\n"); w.write(s2 + "\n"); w.write(s3 + "\n"); w.write(s4 + "\n"); w.write(s5 + "\n"); w.close(); } catch (Exception ae) { System.out.println(ae); } } // Shows a Pop up Message when // save button is clicked JOptionPane .showMessageDialog( f, "Successfully Saved" + " The Details"); } }); // Action listener to close the form b2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { f.dispose(); } }); // Default method for closing the frame f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); // Adding the created objects // to the frame f.add(l1); f.add(t1); f.add(l2); f.add(t2); f.add(l3); f.add(j1); f.add(l4); f.add(j2); f.add(l5); f.add(t3); f.add(b1); f.add(b2); f.setLayout(null); f.setSize(700, 600); f.setVisible(true); } // Driver code public static void main(String args[]) { StudentInfo(); } } |
