Raman Shrivastava questions

Raman Shrivastava answers

• When to use Comparator and when to use Comparable in Java?
• What is the difference between poll(),pollFirst(),pollLast(),removeFirst() and remove() methods which are used on a LinkedList object in Java? [closed]
• Does a class without methods have a special name?
• Why does this self addition equal 0?
• Why does a private base class constructor result in "Implicit super constructor is not visible"
• a collection data structure to keep items sorted
• Add scripts dynamically as jobs using property/xml file in Quartz
• How to set the buffer size on a BufferedWriter over a FileWriter
• Call method with parameters through JSON in Java