Example of multi Threading in Java

multiThreading.java

@@ -0,0 +1,43 @@
+class Addition
+{
+    public synchronized void print_sum(int n)
+    {
+        int sum = 0;
+        for(int i=1;i<=n;i++) {
+            System.out.println(Thread.currentThread().getName()+" i : "+i);
+            sum+=i;
+        }
+        System.out.println(Thread.currentThread().getName()+" sum : "+sum);
+    }
+}
+
+class Thread1 extends Thread{
+    Addition s1;
+    public Thread1(Addition obj){
+        s1 = obj;
+    }
+    @Override
+    public void run() {
+        s1.print_sum(5);
+    }
+}
+
+class Thread2 extends Thread{
+    Addition s2;
+    public Thread2(Addition obj){
+        s2 = obj;
+    }
+    @Override
+    public void run() {
+        s2.print_sum(10);
+    }
+}
+public class prog5 {
+    public static void main(String[] args) {
+        Addition obj = new Addition();
+        Thread1 t1= new Thread1(obj);
+        Thread2 t2= new Thread2(obj);
+        t1.start();
+        t2.start();
+    }
+}