JAVA

swing event enter key

public void keyPressed(KeyEvent e) {
    if (e.getKeyCode() == KeyEvent.VK_ENTER){
      // Do something
    }
}

js enter key event listener

document.getElementById("yourElementId").addEventListener("keypress", function (event) {
    if (event.key === "Enter") {
       // the code you want to run
    }
})