what is the diff b/w arraylist and vector?
Answer Posted / mari
vector intriduced in 1.0 version thats why we called vector
is a legecy.and AL(1.2) is non legecy
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Name some OOPS Concepts in Java?
What does nullpointerexception mean?
Can we rethrow the same exception from catch handler?
How to Sort Strings which are given in List and display in ascending order without using java api.
What is the major drawback of internal iteration over external iteration?
What is a website container?
Explain the concept of proper inheritance?
How will you serialize a singleton class without violating singleton pattern?
What do you understand by synchronization?
how to create multithreaded program? Explain different ways of using thread? : Java thread
What will happen to the exception object after exception handling?
How static variable work in java?
how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
What is the difference between Error, defect,fault, failure and mistake?
What is the difference between serial and throughput garbage collector?