Added PhoneDirectoryGUI.java with GUI implementation

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.debug.settings.onBuildFailureProceed": true
+}

Java Code/.project

@@ -14,4 +14,15 @@
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1753897780379</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>

Java Code/src/PhoneDirectoryGUI.java

@@ -0,0 +1,128 @@
+import javax.swing.*;
+
+import java.awt.BorderLayout;
+import java.awt.GridLayout;
+import java.awt.event.*;
+import java.util.*;
+
+public class PhoneDirectoryGUI {
+
+    static class Contact {
+        String firstName, lastName, email, phone, job;
+
+        Contact(String f, String l, String e, String p, String j) {
+            firstName = f;
+            lastName = l;
+            email = e;
+            phone = p;
+            job = j;
+        }
+
+        @Override
+        public String toString() {
+            return firstName + " " + lastName + ", " + email + ", " + phone + ", " + job;
+        }
+    }
+
+    static List<Contact> contacts = new ArrayList<>();
+    static JTextArea outputArea;
+
+    public static void main(String[] args) {
+        JFrame frame = new JFrame("Phone Directory");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(500, 600);
+
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridLayout(0, 2, 5, 5));
+
+        JTextField tfFirst = new JTextField();
+        JTextField tfLast = new JTextField();
+        JTextField tfEmail = new JTextField();
+        JTextField tfPhone = new JTextField();
+        JTextField tfJob = new JTextField();
+        JTextField tfSearch = new JTextField();
+
+        panel.add(new JLabel("First Name:"));
+        panel.add(tfFirst);
+        panel.add(new JLabel("Last Name:"));
+        panel.add(tfLast);
+        panel.add(new JLabel("Email:"));
+        panel.add(tfEmail);
+        panel.add(new JLabel("Phone:"));
+        panel.add(tfPhone);
+        panel.add(new JLabel("Job Title:"));
+        panel.add(tfJob);
+        panel.add(new JLabel("Search (Name/Phone):"));
+        panel.add(tfSearch);
+
+        JButton addBtn = new JButton("Add Contact");
+        JButton showBtn = new JButton("Show All");
+        JButton deleteBtn = new JButton("Delete");
+        JButton updateBtn = new JButton("Update");
+        JButton searchBtn = new JButton("Search");
+
+        panel.add(addBtn);
+        panel.add(showBtn);
+        panel.add(deleteBtn);
+        panel.add(updateBtn);
+        panel.add(searchBtn);
+
+        outputArea = new JTextArea(10, 40);
+        JScrollPane scrollPane = new JScrollPane(outputArea);
+
+        addBtn.addActionListener(e -> {
+            Contact c = new Contact(tfFirst.getText(), tfLast.getText(), tfEmail.getText(), tfPhone.getText(),
+                    tfJob.getText());
+            contacts.add(c);
+            outputArea.setText("Added: " + c + "\n");
+            clearFields(tfFirst, tfLast, tfEmail, tfPhone, tfJob);
+        });
+
+        showBtn.addActionListener(e -> {
+            StringBuilder sb = new StringBuilder("All Contacts:\n");
+            for (Contact c : contacts)
+                sb.append(c).append("\n");
+            outputArea.setText(sb.toString());
+        });
+
+        deleteBtn.addActionListener(e -> {
+            String key = tfSearch.getText();
+            contacts.removeIf(c -> c.firstName.equalsIgnoreCase(key) || c.phone.equals(key));
+            outputArea.setText("Deleted contacts with name or phone: " + key);
+        });
+
+        searchBtn.addActionListener(e -> {
+            String key = tfSearch.getText();
+            StringBuilder sb = new StringBuilder("Search Results:\n");
+            for (Contact c : contacts) {
+                if (c.firstName.equalsIgnoreCase(key) || c.phone.equals(key))
+                    sb.append(c).append("\n");
+            }
+            outputArea.setText(sb.toString());
+        });
+
+        updateBtn.addActionListener(e -> {
+            String key = tfSearch.getText();
+            for (Contact c : contacts) {
+                if (c.firstName.equalsIgnoreCase(key) || c.phone.equals(key)) {
+                    c.firstName = tfFirst.getText();
+                    c.lastName = tfLast.getText();
+                    c.email = tfEmail.getText();
+                    c.phone = tfPhone.getText();
+                    c.job = tfJob.getText();
+                    outputArea.setText("Updated: " + c + "\n");
+                    break;
+                }
+            }
+        });
+
+        frame.getContentPane().add(panel, BorderLayout.NORTH);
+        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
+        frame.setVisible(true);
+    }
+
+    static void clearFields(JTextField... fields) {
+        for (JTextField f : fields)
+            f.setText("");
+    }
+}

JavaComplete/.project

@@ -14,4 +14,15 @@
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1753897780398</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>

JavaLesson41/.project

@@ -33,4 +33,15 @@
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1753897780405</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>