Added 2B

RunnableTest.java

@@ -0,0 +1,16 @@
+class x implements Runnable {
+    public void run(){
+        for(int i=0; i<=5; i++){
+            System.out.println("The Thread x is: "+i);
+        }
+            System.err.println("End of the Thread x");
+    }
+}
+class RunnableTest {
+    public static void main(String[] args) {
+        x r = new x();
+        Thread threadx = new Thread(r);
+        threadx.start();
+        System.out.println("The end of the main thread");
+    }
+}