How to add a command to a button

// import the just the libraries that you gonna need dont be like me
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class App {
    public static void main(String[] args) {
        JFrame f = new JFrame("Test");	//make a window
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(600,300);
        
        JButton bhelloworld = new JButton("Hello World!");	//make the button

        ActionListener l = new ActionListener() {	//make the listener (l is its name)
            public void actionPerformed(ActionEvent event) {	//make the command here
                if (event.getActionCommand() == "func1") {	//to specify what the button gonna do put this if (the "event.getActionCommand() == "func1"" is checking the setActionCommand() command)
                    System.out.println("Button pressed");
                }
            }
        };	//these ; are needed :v

        bhelloworld.setSize(new Dimension(40,40));
        f.add(bhelloworld);	//add your button
        bhelloworld.setActionCommand("func1");	//optional
        bhelloworld.addActionListener(l);	//determine which action listener you gonna use

        f.setVisible(true);	//show the screen
    }
}

Similar codes

2 votes194 views1 answer
Java do something after x seconds without stopping everything else
Java
0 vote189 views1 answer
Android api 21 join list of strings
Java
-1 vote208 views3 answers
From file to array java
Java
0 vote211 views5 answers
ArrayList
Java
1 vote217 views2 answers
Linux command to see all the java version installed
Java
0 vote218 views1 answer
Batch file to switch between java version
Java
2 votes188 views2 answers
Upcasting in java
Java
0 vote255 views1 answer
Convert string to short java
Java
1 vote244 views1 answer
Java get color from rgb values
Java
3 votes189 views1 answer
How to get all the names of the files in a folder in java?
Java