Is vector thread safe in java?
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what is difference between business delegate and data access object(dao)? in java?
What is an immutable class? How to create an immutable class?
Life Cycle of Thread
Should a main method be compulsorily declared in all java classes?
Give some features of interface?
What restrictions are placed on method overriding in java programming?
What is private protected in java?
Can long be null in java?
What do you mean by synchronized non access modifier?
FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?
why HashTable not allow null key and value
What is a singleton in genetics?