Question

• Create a simple Graphical User Interface (GUI): Create new JFrameForm and use the Palette to drag and drop the Swing Containers and Controllers like the figure shown.

•  Your Form should accept a file name in its text field. When the user presses OK Button, the content of the String array appear in the Text area below.

•  Handle all Exceptions (File Not Found Exception)

GUI frame

Answer 1

PLEASE GIVE IT A THUMBS UP, I SERIOUSLY NEED ONE, IF YOU NEED ANY MODIFICATION THEN LET ME KNOW, I WILL DO IT FOR YOU

import java.io.*;
import java.util.*;

class StringManipulation1 extends javax.swing.JFrame {

  public StringManipulation1() {
    initComponents();
  }

  @SuppressWarnings("unchecked")
  // <editor-fold defaultstate="collapsed" desc="Generated Code">
  private void initComponents() {
    jPanel1 = new javax.swing.JPanel();
    jLabel2 = new javax.swing.JLabel();
    jTextField1 = new javax.swing.JTextField();
    jButton1 = new javax.swing.JButton();
    jScrollPane1 = new javax.swing.JScrollPane();
    jTextArea1 = new javax.swing.JTextArea();
    jLabel1 = new javax.swing.JLabel();

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

    jLabel2.setText("File Name:");

    jTextField1.addActionListener(
      new java.awt.event.ActionListener() {

        public void actionPerformed(java.awt.event.ActionEvent evt) {
          jTextField1ActionPerformed(evt);
        }
      }
    );

    jButton1.setText("Ok");
    jButton1.addActionListener(
      new java.awt.event.ActionListener() {

        public void actionPerformed(java.awt.event.ActionEvent evt) {
          jButton1ActionPerformed(evt);
        }
      }
    );

    jTextArea1.setColumns(20);
    jTextArea1.setRows(5);
    jScrollPane1.setViewportView(jTextArea1);

    javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(
      jPanel1
    );
    jPanel1.setLayout(jPanel1Layout);
    jPanel1Layout.setHorizontalGroup(
      jPanel1Layout
        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(
          jPanel1Layout
            .createSequentialGroup()
            .addContainerGap()
            .addGroup(
              jPanel1Layout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                .addComponent(
                  jScrollPane1,
                  javax.swing.GroupLayout.PREFERRED_SIZE,
                  256,
                  javax.swing.GroupLayout.PREFERRED_SIZE
                )
                .addComponent(
                  jButton1,
                  javax.swing.GroupLayout.PREFERRED_SIZE,
                  45,
                  javax.swing.GroupLayout.PREFERRED_SIZE
                )
                .addGroup(
                  jPanel1Layout
                    .createSequentialGroup()
                    .addComponent(jLabel2)
                    .addPreferredGap(
                      javax.swing.LayoutStyle.ComponentPlacement.UNRELATED
                    )
                    .addComponent(
                      jTextField1,
                      javax.swing.GroupLayout.PREFERRED_SIZE,
                      123,
                      javax.swing.GroupLayout.PREFERRED_SIZE
                    )
                )
            )
            .addContainerGap(31, Short.MAX_VALUE)
        )
    );
    jPanel1Layout.setVerticalGroup(
      jPanel1Layout
        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(
          jPanel1Layout
            .createSequentialGroup()
            .addContainerGap()
            .addGroup(
              jPanel1Layout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(jLabel2)
                .addComponent(
                  jTextField1,
                  javax.swing.GroupLayout.PREFERRED_SIZE,
                  javax.swing.GroupLayout.DEFAULT_SIZE,
                  javax.swing.GroupLayout.PREFERRED_SIZE
                )
            )
            .addPreferredGap(
              javax.swing.LayoutStyle.ComponentPlacement.UNRELATED
            )
            .addComponent(jButton1)
            .addGap(25, 25, 25)
            .addComponent(
              jScrollPane1,
              javax.swing.GroupLayout.PREFERRED_SIZE,
              204,
              javax.swing.GroupLayout.PREFERRED_SIZE
            )
            .addContainerGap(25, Short.MAX_VALUE)
        )
    );

    jLabel1.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
    jLabel1.setForeground(new java.awt.Color(255, 0, 0));
    jLabel1.setText("String Manipulation");

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(
      getContentPane()
    );
    getContentPane().setLayout(layout);
    layout.setHorizontalGroup(
      layout
        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(
          layout
            .createSequentialGroup()
            .addGap(20, 20, 20)
            .addComponent(jLabel1)
            .addContainerGap(
              javax.swing.GroupLayout.DEFAULT_SIZE,
              Short.MAX_VALUE
            )
        )
        .addGroup(
          javax.swing.GroupLayout.Alignment.TRAILING,
          layout
            .createSequentialGroup()
            .addContainerGap(23, Short.MAX_VALUE)
            .addComponent(
              jPanel1,
              javax.swing.GroupLayout.PREFERRED_SIZE,
              javax.swing.GroupLayout.DEFAULT_SIZE,
              javax.swing.GroupLayout.PREFERRED_SIZE
            )
            .addContainerGap()
        )
    );
    layout.setVerticalGroup(
      layout
        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(
          layout
            .createSequentialGroup()
            .addGap(26, 26, 26)
            .addComponent(jLabel1)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addComponent(
              jPanel1,
              javax.swing.GroupLayout.PREFERRED_SIZE,
              javax.swing.GroupLayout.DEFAULT_SIZE,
              javax.swing.GroupLayout.PREFERRED_SIZE
            )
            .addContainerGap(21, Short.MAX_VALUE)
        )
    );

    pack();
  } // </editor-fold>

  private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {}

  private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
    String filename = jTextField1.getText();
    File file = new File(filename);
    String Content = "";

    try {
      Scanner sc = new Scanner(file);
      while (sc.hasNextLine()) Content = Content + (sc.nextLine()) + "\n";
      // System.out.println(Content);
      jTextArea1.setText(Content);
    } catch (FileNotFoundException ex) {
      System.out.println("File not found");
    }
  }

  public static void main(String args[]) {
    try {
      for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
        if ("Nimbus".equals(info.getName())) {
          javax.swing.UIManager.setLookAndFeel(info.getClassName());
          break;
        }
      }
    } catch (ClassNotFoundException ex) {
      java
        .util.logging.Logger.getLogger(StringManipulation1.class.getName())
        .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
      java
        .util.logging.Logger.getLogger(StringManipulation1.class.getName())
        .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
      java
        .util.logging.Logger.getLogger(StringManipulation1.class.getName())
        .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
      java
        .util.logging.Logger.getLogger(StringManipulation1.class.getName())
        .log(java.util.logging.Level.SEVERE, null, ex);
    }

    java.awt.EventQueue.invokeLater(
      new Runnable() {

        public void run() {
          new StringManipulation1().setVisible(true);
        }
      }
    );
  }

  // Variables declaration - do not modify
  private javax.swing.JButton jButton1;
  private javax.swing.JLabel jLabel1;
  private javax.swing.JLabel jLabel2;
  private javax.swing.JPanel jPanel1;
  private javax.swing.JScrollPane jScrollPane1;
  private javax.swing.JTextArea jTextArea1;
  private javax.swing.JTextField jTextField1;
  // End of variables declaration
}