Java Swing GUI

How to Change the Size of a JFrame(window) in Java

In this tutorial, we are going to see how to change the size of a jframe(window) in Java. To resize a frame, JFrame provides a method JFrame.setSize(int width, int height), it needs two parameters “width” and “height”. Here is what the code looks like now:

Java Program to Change the Size of a JFrame:
import javax.swing.JFrame;

public class Main 
  public static void main(String[] args)
	   JFrame frame = new JFrame();
	   frame.setSize(300, 300);    


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