June 2018 Update

Task/Keyboard-input-Keypress-check/Scala/keyboard-input-keypress-check.scala

@@ -0,0 +1,33 @@
+import java.awt.event.{KeyAdapter, KeyEvent}
+
+import javax.swing.{JFrame, SwingUtilities}
+
+class KeypressCheck() extends JFrame {
+
+  addKeyListener(new KeyAdapter() {
+    override def keyPressed(e: KeyEvent): Unit = {
+      val keyCode = e.getKeyCode
+      if (keyCode == KeyEvent.VK_ENTER) {
+        dispose()
+        System.exit(0)
+      }
+      else
+        println(keyCode)
+    }
+  })
+}
+
+object KeypressCheck extends App {
+  println("Press any key to see its code or 'enter' to quit\n")
+  SwingUtilities.invokeLater(() => {
+    def foo() = {
+      val f = new KeypressCheck
+      f.setFocusable(true)
+      f.setVisible(true)
+      f.setSize(200, 200)
+      f.setEnabled(true)
+    }
+
+    foo()
+  })
+}