diff --git a/C++/program_30/operator_overloading.cpp b/C++/program_30/operator_overloading.cpp
new file mode 100644
index 0000000..8426dd4
--- /dev/null
+++ b/C++/program_30/operator_overloading.cpp
@@ -0,0 +1,50 @@
+
+/*
+cpp program for operator overloading
+Author: Anil Kumar
+Date modified:21-10-2021
+*/
+
+
+#include<iostream>
+using namespace std;
+
+class complex
+{
+private:
+    float a,b;
+public:
+
+    void set(float x, float y){
+        a=x;
+        b=y;
+    }
+   complex operator+(complex c){
+       complex t;
+       t.a=a+c.a;
+       t.b=b+c.b;
+       return t;
+   }
+   complex operator-(){
+       complex t;
+       t.a=-a;
+       t.b=-b;
+       return t;
+   }
+   
+   void display(){
+       cout<<a<<" "<<b<<endl;
+   }
+};
+int main(){
+    complex c1,c2,c3;
+    c1.set(4.0,5.0);
+    c2.set(3.0,6.0);
+    c3=c1+c2;
+    c3.display();
+
+  
+    complex c4=-c2;
+    c4.display();
+}
+