Update README.md

Author: jake1412

README.md

@@ -47,7 +47,7 @@ This repository contains all the java programming assignments for the CSE1007 la
     </p>
     Or copy the output below:
     <p align="center">
-      <img src="https://raw.githubusercontent.com/jacobjohn2016/Java-Programming/master/Images/4-donors-output.png" alt="Donors output" width="600">
+      <img src="https://raw.githubusercontent.com/jacobjohn2016/Java-Programming/master/Images/3-donors-output.png" alt="Donors output" width="600">
     </p>
 
 2. Write a program to demonstrate the knowledge of students in working with Java collection framework. [Ans](https://github.com/jacobjohn2016/Java-Programming/blob/master/assignment4/src/HashStudents.java)