Interview Questions and Answers for 'Kronos' | Search Interview Question

Interview Questions and Answers for 'Kronos' - 3 question(s) found - Order By Newest

Q1. Difference between Vector and ArrayList ?

Ans. Vectors are synchronized whereas Array lists are not.

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Related Questions

What is the difference between ArrayList and LinkedList ?

If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?

Difference between HashMap and Hashtable?

Difference between TreeMap and HashMap ?

Can you provide some implementation of a Dictionary having large number of words ?

Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?

What is a ConcurrentHashMap ?

Collections.sort can only be performed on ..

a. Set
b. List
c. Map
d. Any Collection implementation

Why HashTable has been deprecated ?

Difference beween HashSet and TreeSet ?

Frequently asked to fresh graduates.

Q2. Difference between Process and Thread ?

Operating System

Ans. Process is a program in execution whereas thread is a separate path of execution in a program.

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Related Questions

What is a Deadlock ?

What is the difference between time slicing and preemptive scheduling ?

What are the difference between Threads and Processes ?

Why threads block or enters to waiting state on I/O?

What is the difference between yield() and sleep()?

What is the initial state of a thread when it is created and started?

What is suspend() method used for ?

Difference between suspend() and stop() ?

What is a daemon thread? Give an Example ?

Very Frequently asked. Favorite question in walkins and telephonic interviews. Usually among first few questions. Asked in different variants. Must know for intermediate and expert professionals.Among Top 10 frequently asked questions.

Q3. What is rule regarding overriding equals and hashCode method ?

Core Java

Ans. A Class must override the hashCode method if its overriding the equals method.

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Related Questions

Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?

Write a class and override the equals and hashcode method ?

How many threads can access a concurrent hashmap when the hashcode is overridden and always returns a zero.

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