write the hierarchy of component class?
What is a protected method?
what is hashmap& hashtable with example?
What is connection class in java?
How core java/j2ee project performance can be measured ?
What is the catch or declare rule for method declarations?
What is difference between == equals () and compareto () method?
What is the purpose of using bufferedinputstream and bufferedoutputstream classes?
How will you calculate the depth of a binary tree if the tree contains 15 nodes?
Java run-time system generates What class of exceptions?
What is the difference between Access Modifier and Access specifier?
What are the super most classes for all the streams?
What is a Null object?