diff --git a/Multi3.class b/Multi3.class
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index 0000000..500796d
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diff --git a/Multi3.java b/Multi3.java
new file mode 100644
index 0000000..153a865
--- /dev/null
+++ b/Multi3.java
@@ -0,0 +1,10 @@
+class Multi3 implements Runnable {
+    public void run(){
+        System.out.println("thread is running..");
+    }    
+    public static void main(String[] args) {
+        Multi3 m1 = new Multi3();
+        Thread t1 = new Thread(m1);
+        t1.start();
+    }
+}
diff --git a/src/2.png b/src/2.png
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diff --git a/src/Title.txt b/src/Title.txt
index 6e392e9..bc1eab6 100644
--- a/src/Title.txt
+++ b/src/Title.txt
@@ -1,2 +1,3 @@
-1A. write a java code by extending thread class
-1B. write a java code 
\ No newline at end of file
+1. write a java code by extending thread class
+2. write a java code by implementing runnable interface.
+3. 
\ No newline at end of file