Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.GridLayout;
import java.util.Vector;

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

public class Main {

    Vector<String> listSomeString = new Vector<String>();
    JComboBox someComboBox = new JComboBox(listSomeString);
    JFrame frame;

    public Main() {
        for (int i = 0; i < 100000; i++) {
            listSomeString.add("-");
            listSomeString.add("A");
            listSomeString.add("B");
            listSomeString.add("C");
            listSomeString.add("D");
        }

        someComboBox.setEditable(true);
        someComboBox.getEditor().getEditorComponent().setBackground(Color.YELLOW);
        ((JTextField) someComboBox.getEditor().getEditorComponent()).setBackground(Color.YELLOW);

        frame = new JFrame();
        frame.setLayout(new GridLayout(0, 1, 10, 10));
        frame.add(someComboBox);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocation(100, 100);
        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        new Main();
    }
}