Error Solving - JAVA

Hello, I need someone expert in Java to do the following task on a Java System (very simple program). The program is 80% done, these are the task needed: - Fix error on the Index. - Change the product pictures (6 in total and leave only 3). - Add prices to the product on the index - Change background color to change the style. - Remove any extra code that is not needed on the system * Need to have knowledge on Netbeans and Glassfish Server. Program must run perfectly.