first commit

Multi.java

@@ -0,0 +1,10 @@
+// write a java code by extending thread class
+class Multi extends Thread{
+  public void run(){
+    System.out.println("Thread is running");
+  }
+  public static void main(String args[]){
+    Multi t1 = new Multi();
+    t1.start();
+  }
+}