JTextComponent: read(Reader in, Object desc) : JTextComponent « javax.swing « Java by API

1. Java by API
2. javax.swing
3. JTextComponent

JTextComponent: read(Reader in, Object desc)

  
import java.awt.BorderLayout;
import java.io.FileReader;
import java.io.IOException;

import javax.swing.JFrame;
import javax.swing.JTextField;

public class MainClass {
  public static void main(String args[]) throws Exception {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextField nameTextField = new JTextField();
    frame.add(nameTextField, BorderLayout.NORTH);
    
    FileReader reader = null;
    try {
      reader = new FileReader("fileName.txt");
      nameTextField.read(reader, "fileName.txt");
    } catch (IOException exception) {
      System.err.println("Load oops");
      exception.printStackTrace();
    } finally {
      if (reader != null) {
        try {
          reader.close();
        } catch (IOException exception) {
          System.err.println("Error closing reader");
          exception.printStackTrace();
        }
      }
    }

    
    frame.setSize(250, 100);
    frame.setVisible(true);
  }
}


           
         
    
  

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