Please Help!! strange error

Question

hi, am having trouble with a program , it gives me the error incomaitable data type however i cant seem to find the problem anywhere.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.io.*;
import javax.swing.border.*;
class DataRecord extends JPanel {
     JTextField NameField, HeightField;
     public DataRecord(int num) {
          JPanel p = new JPanel();
          p.setLayout(new GridLayout(0,2));
          p.add(new JLabel("Record "+num));
          p.add(new JLabel(""));
          p.add(new JLabel("Name: "));
          NameField = new JTextField(15);
          p.add(NameField);
          p.add(new JLabel("Height: "));
          HeightField = new JTextField(15);
          p.add(HeightField);
          setLayout(new FlowLayout(FlowLayout.CENTER));
          add(p);
     public String getName() {
          return NameField.getText();
     public String getHeight() {
          return HeightField.getText();
public class Example extends JFrame implements ActionListener {
     JPanel recordsPanel;
     ArrayList records;
     JButton save,add;
     public Example() {
          setTitle("Example");
          setDefaultCloseOperation(EXIT_ON_CLOSE);
          setResizable(false);
          records = new ArrayList();          
          records.add(new DataRecord(1));
          recordsPanel = new JPanel();
          recordsPanel.setLayout(new GridLayout(0,1));
          recordsPanel.add((DataRecord)records.get(0));
          Container c = getContentPane();
          c.setLayout(new BorderLayout());
          JScrollPane jsp = new JScrollPane(recordsPanel,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
          c.add(jsp,BorderLayout.CENTER);
          JPanel south = new JPanel();
          south.setLayout(new FlowLayout(FlowLayout.CENTER));
          add = new JButton("Add Record");
          south.add(add);
          add.addActionListener(this);
          save = new JButton("Save Records");
          south.add(save);
          save.addActionListener(this);
          c.add(south,BorderLayout.SOUTH);
          pack();
          setSize(this.getWidth(),400);
          show();
     public void actionPerformed(ActionEvent e) {
          if (e.getSource() == save) {
               try {
                    save();
               catch (IOException ioe) {
                    ioe.printStackTrace();
          else if (e.getSource() == add) add();
     protected void add() {
          DataRecord dr = new DataRecord(records.size()+1);
          records.add(dr);
          recordsPanel.add(dr);
          validate();
     protected void save() throws IOException {
          String file = "records.txt";
          PrintStream p = new PrintStream(new FileOutputStream(file));
          DataRecord d;
          for (int j = 0;j < records.size();j++) {
               d = (DataRecord)records.get(j);
               String s = "Record "+(j+1);
               p.println(s);
               for (int n = 0;n < s.length();n++) p.print("-");
               p.println("");
               p.println("Name: "+d.getName());
               p.println("Phone #: "+d.getHeight());
               p.println("");
     public static void main(String[] args) {
          new Example();
}anyone else know what the prob is?

Answer 1

i apologise about the double post, i refreshed by mistake
k am posting the code again with some highlights of where the problem is
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.io.*;
import javax.swing.border.*;
class DataRecord extends JPanel {
     JTextField NameField, HeightField;
     public DataRecord(int num) {
          JPanel p = new JPanel();
          p.setLayout(new GridLayout(0,2));
          p.add(new JLabel("Record "+num));
          p.add(new JLabel(""));
          p.add(new JLabel("Name: "));
          NameField = new JTextField(15);
          p.add(NameField);
          p.add(new JLabel("Height: "));
          HeightField = new JTextField(15);
          p.add(HeightField);
          setLayout(new FlowLayout(FlowLayout.CENTER));
          add(p);
     public String getName() {
          return NameField.getText();
     public String getHeight() {
          return HeightField.getText(); <<<<<HeightField
public class Example extends JFrame implements ActionListener {
     JPanel recordsPanel;
     ArrayList records;
     JButton save,add;
     public Example() {
          setTitle("Example");
          setDefaultCloseOperation(EXIT_ON_CLOSE);
          setResizable(false);
          records = new ArrayList();          
          records.add(new DataRecord(1));
          recordsPanel = new JPanel();
          recordsPanel.setLayout(new GridLayout(0,1));
          recordsPanel.add((DataRecord)records.get(0));
          Container c = getContentPane();
          c.setLayout(new BorderLayout());
          JScrollPane jsp = new JScrollPane(recordsPanel,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
          c.add(jsp,BorderLayout.CENTER);
          JPanel south = new JPanel();
          south.setLayout(new FlowLayout(FlowLayout.CENTER));
          add = new JButton("Add Record");
          south.add(add);
          add.addActionListener(this);
          save = new JButton("Save Records");
          south.add(save);
          save.addActionListener(this);
          c.add(south,BorderLayout.SOUTH);
          pack();
          setSize(this.getWidth(),400);
          show();
     public void actionPerformed(ActionEvent e) {
          if (e.getSource() == save) {
               try {
                    save();
               catch (IOException ioe) {
                    ioe.printStackTrace();
          else if (e.getSource() == add) add();
     protected void add() {
          DataRecord dr = new DataRecord(records.size()+1);
          records.add(dr);
          recordsPanel.add(dr);
          validate();
     protected void save() throws IOException {
          String file = "records.txt";
          PrintStream p = new PrintStream(new FileOutputStream(file));
          DataRecord d;
          for (int j = 0;j < records.size();j++) {
               d = (DataRecord)records.get(j);
               String s = "Record "+(j+1);
               p.println(s);
               for (int n = 0;n < s.length();n++) p.print("-");
               p.println("");
               p.println("Name: "+d.getName());
               p.println("Height: "+d.getHeight());  <<<<<<<<<HeightField
               p.println("");
     public static void main(String[] args) {
          new Example();
}the exact error message is
Example.java:34: getHeight() in DataRecord cannot override getHeight() in javax.swing.JComponent; at
o use incompatible return type
found : java.lang.String
required: int
public String getHeight() {