diff --git a/RunnableTest.class b/RunnableTest.class
new file mode 100644
index 0000000..064b959
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diff --git a/RunnableTest.java b/RunnableTest.java
new file mode 100644
index 0000000..55c09ff
--- /dev/null
+++ b/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");
+    }
+}
\ No newline at end of file
diff --git a/src/2.png b/src/2A.png
similarity index 100%
rename from src/2.png
rename to src/2A.png
diff --git a/src/2B.png b/src/2B.png
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index 0000000..70c2695
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diff --git a/x.class b/x.class
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index 0000000..48a9529
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