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Can we save content from JTextField to a file in Java?
Yes, we can save the content to a file with FileWriter class. Set a JTextFile component as shown below −
JTextField emailId = new JTextField(20); emailId.setText("abc@example.com");
Set the file location from to where you want to save the content from the JTextField −
String file = "E:\
ew.txt";
Now, with FileWriter, save the content −
FileWriter fileWriter = new FileWriter(file); emailId.write(fileWriter); fileWriter.close();
The following is an example to save content from JTextFile to a file. Here, we are saving the text from JTextField to a file at location: “E:\
ew.txt” −
Example
package my; import java.awt.FlowLayout; import java.io.FileWriter; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.SwingConstants; public class SwingDemo { public static void main(String[] args) throws Exception { JFrame frame = new JFrame("Demo"); JLabel label; frame.setLayout(new FlowLayout()); label = new JLabel("EmailId : ", SwingConstants.LEFT); JTextField emailId = new JTextField(20); emailId.setText("abc@example.com"); String file = "E:\
ew.txt"; FileWriter fileWriter = new FileWriter(file); emailId.write(fileWriter); fileWriter.close(); frame.add(label); frame.add(emailId); frame.setSize(550,250); frame.setVisible(true); } }
Output
Now, the file with the JTextField text will get saved in the specified location i.e −
E:\
ew.txt
The following are the contents of the file now from the JTextField −
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