Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is advantage of using threads?

BMC,

2 11296

How the threads are synchronized?

BMC, CTS,

2 6320

What is Interface?

BMC,

8 12349

Do you know thread pools?

BMC,

2256

How multi processing is achieved in JAVA?

BMC,

5 22530

What is hash method?

1 4471

What is Vector?Can you elaborate how Vector is Thread safe?

HCL,

3 12040

How to solve the problem of generating the unique hash keys with hash function?

1 1992

long d =10;int i =0;i=d; /// is this possible? If d is very long number (10 digits or some thing) then?

3 7057

How can we achieve IPC in JAVA?

Wipro,

1 3191

What do you mean by Remote procedure call?

2 5903

Have you worked on bits programming? examples?What is bit? How many bits are there in the byte?

1 4290

What is left shift and right shift?

1 5924

How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.

2 7421

Why all programming languages have main as a execution starting point?

4 9370

Un-Answered Questions { Java Related }

How can you inject java collection in spring?

501

Can we extract main method from another class?

1023

What if I write static public void instead of public static void?

928

What is the resourcebundle class?

1000

Differentiate between static and non-static methods in java.

1115

What is difference between @controller and @restcontroller in spring?

533

Write a program to find the whether a number is an Armstrong number or not?

1095

what is reflection api? How are they implemented?

1098

Are jvm’s platform independent?

972

How to sort array in descending order in java?

982

What is an object in java and how is it created?

1120

explain different ways of using thread? : Java thread

1075

what are the different modes of archival? Explain each mode in two lines each?

992

What is the java api?

983

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2859

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