Initial data commit

Task/Keyboard-input-Keypress-check/Java/keyboard-input-keypress-check.java

@@ -0,0 +1,23 @@
+import java.awt.event.*;
+import javax.swing.*;
+
+public class Test extends JFrame {
+
+    Test() {
+        addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                int keyCode = e.getKeyCode();
+                System.out.println(keyCode);
+            }
+        });
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            Test f = new Test();
+            f.setFocusable(true);
+            f.setVisible(true);
+        });
+    }
+}