Bhavesh questions

• Does operator overloading exist in Java?
• Where and when the use of primitive data types in Java is effectively appropriate?
• Can't display images in JSP
• How to display checkboxes within HTML dropdown?
• What are the major differences between a Collection, an ArrayList, and a List in Java?
• Need to reset the value of sequence in Oracle
• How to convert a date-time into string in PHP?
• An abstract class in Java need not implement any methods from its implementing interface. Why?
• Accessing a static field with a NULL object in Java
• Error while reading Excel sheet using Java

Bhavesh answers