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

Package1 and Package2 both have a method name lets say "methodA" with different implementation. When I import both the packages in a java class how can I use both the methods?

Ericsson,

7 11583

How can you sort dates?

TCS,

2 9483

Why to give the file name same as the public class name in java?

3 7346

What happens when Two users requests for same action class? How the threads are controlled?

4 9156

What is a domain structure? Does include cluster(s) and server instance(s)?

Oracle,

3 10783

Is there any use of an abstract class which has no methods and no attributes?

Wipro,

1 5010

If your team member writes code with lots of static variables and static methods, will it cause any side effects?

KPIT,

3 7677

If I have 1000 objects and my requirement is to sort them quickly, then which collection would you recommend and why?

KPIT,

5 9133

I have a Person object with 5 variables and I want to store them in a file called Person.txt. What should I do?

KPIT,

3 7049

There is a Banking application. It has 2 types of account, Savings and Current. Write a method calculateInterest by passing an ArrayList of these account objects and calculate Interest accordingly. Write code for this situation

ABC, KPIT,

1 3653

Un-Answered Questions { Java Related }

What is latest hibernate version?

486

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

2865

What is parsing in java?

1032

What is java string pool?

1076

What is lazy class?

480

Is minecraft 1.15 out?

1039

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

928

Can we return resultset in java?

988

What do you know about validation plugin ?

1024

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

What is the difference between equals() and == in java?

1032

i want test pattern of zylog company and some examples also

2855

How does java handle integer overflows and underflows?

1111

What is the first argument of the string array in main method?

1025

What is the java api?

989

For More Un-Answered { Java Related } Questions Click Here