Most viewed questions under tag java

+2 votes

1 answer

Is it possible for two unequal objects to have the same hashcode in Java?

posted Oct 12, 2016 by Sahana

+1 vote

1 answer

What is the difference between the Reader/Writer class hierarchy and the I/p/O/p class hierarchy in Java?

posted Mar 24, 2014 by Parampreet Kaur

+2 votes

2 answers

What is the difference between poll() and remove() method of Queue interface?

posted Feb 15, 2016 by Karthick.c

+2 votes

2 answers

Which Java operator is right associative?

posted Apr 21, 2016 by Ramesh Gowda

0 votes

1 answer

Find the given doubly linked list is palindrome or not?

posted Feb 20, 2017 by anonymous

+1 vote

1 answer

Select prime number from the list of given numbers, add them except the smallest prime number?

posted Aug 27, 2017 by Arindam Nath

+1 vote

3 answers

What is markable interface in Java ?

posted Mar 6, 2016 by Deepak Jangid

+2 votes

1 answer

Is there any tool to detect memory leaks in Java (with JNI)

posted Jun 19, 2013 by Sudheendra

+1 vote

1 answer

Find non-distinct occurrences of the words found in the array?

posted Sep 16, 2013 by Vinay Shukla

+1 vote

2 answers

when we go for interface and Abstract class in java

posted Oct 3, 2013 by Nagarajuk

+2 votes

1 answer

What is difference between hashcode and memory address of an object?

posted Mar 30, 2015 by anonymous

+2 votes

1 answer

Illegal prime numbers

posted Jul 5, 2016 by Shivam Kumar Pandey

+1 vote

0 answers

Write a program to print the sum of the elements of the array with the given below condition?

posted Feb 20, 2019 by anonymous

+1 vote

0 answers

Whenever a client submits a hadoop job, who receives it?

posted Jul 14, 2017 by Karthick.c

+3 votes

1 answer

Write a function to print the sum of the even and odd digit with given condition?

posted Apr 22, 2017 by Azhar Keer

0 votes

0 answers

What is the difference between intent, sticky intent, and pending intent?

posted May 10, 2017 by Karthick.c

+1 vote

1 answer

What is the difference between the session.update() method and the session.lock() method?

posted Dec 6, 2013 by Shweta Gupta

+2 votes

1 answer

Reason behind the Object class

posted Jun 23, 2013 by Vikalp Kumar

0 votes

1 answer

Upgrade of legacy system from old Java version (1.3/1.4) to latest Java 8?

posted May 15, 2015 by Vikalp Kumar

+1 vote

0 answers

How to implement Google authentication in JSP and Servlets web application.

posted Apr 5, 2015 by anonymous

0 votes

1 answer

What is JSP Expression Language and what are it’s benefits?

posted Aug 23, 2017 by anonymous

+2 votes

1 answer

Is it possible to convert Java byte code into source code, if yes do we have any free tool?

posted Mar 20, 2015 by Salil Agrawal

0 votes

1 answer

What is externalization in java?

posted Sep 15, 2014 by Mridul

+3 votes

1 answer

What is the role of Remote Interface in RMI ?

posted Mar 23, 2015 by Roshni

+2 votes

2 answers

How to maintain a static object list in Java??

posted Sep 10, 2013 by Satyabrata Mahapatra

+1 vote

1 answer

How do you force start a Thread in Java?

posted Apr 23, 2015 by Shyam

0 votes

1 answer

Error: java.lang.NullPointerException. Found when running jar file but its fine when running in IDE eclipse, Why?

posted May 10, 2015 by Sudhakar Singh

0 votes

1 answer

How to synchronize List, Set and Map elements in java?

posted Feb 5, 2018 by Ammy Jack

+2 votes

1 answer

How to write LRU cache in Java using Generics?

posted Oct 12, 2016 by Sahana

+1 vote

3 answers

What happens when the following program is compiled and run.

posted Jan 12, 2016 by Kavana Gowda

+1 vote

1 answer

Can we override static method in Java? if we create the same method in the subclass is it compile time error?

posted Jan 6, 2017 by Dhaval Vaghela

+2 votes

0 answers

Convert CSV file to JSON in Informatica Powercentre

posted Apr 1, 2016 by anonymous

+3 votes

0 answers

Android: SearchView + history and suggestion

posted Jun 29, 2016 by Vijay

+3 votes

1 answer

What is the basic principle of RMI architecture ?

posted Mar 23, 2015 by Roshni

+1 vote

2 answers

What is the difference between abstraction and encapsulation?

posted Sep 4, 2014 by anonymous

+2 votes

1 answer

Passing input from jsp to action class

posted Oct 1, 2013 by Satyabrata Mahapatra

+3 votes

1 answer

What is the difference between Singleton pattern and Springs Beans being Singleton?

posted Sep 17, 2015 by anonymous

+1 vote

1 answer

How to create a zip file and download in Java using Strut2?

posted Mar 20, 2013 by Sudheendra

0 votes

1 answer

Which two method you need to implement for key Object in HashMap ?

posted Jan 12, 2017 by Karthick.c

0 votes

0 answers

Java program on sum of last two digits of a number

posted Oct 16, 2017 by Aditi Sharma

0 votes

1 answer

What are the benefits of using Spring Tool Suite in java?

posted Aug 14, 2017 by Mantosh Dubey

+1 vote

1 answer

How to inject a java.util.Properties into a Spring Bean?

posted Aug 14, 2017 by anonymous

0 votes

1 answer

What are different types of comments in JSP?

posted Aug 21, 2017 by anonymous

0 votes

1 answer

What is JDBC RowSet? What are different types of RowSet?

posted Aug 23, 2017 by Sourav Kumar

+2 votes

1 answer

Difference between synchronized block vs synchronized method?

posted Jul 25, 2014 by Sidharth Malhotra

+2 votes

1 answer

I would like to hide or protect URL of the jsp page, how can I do that?

posted Sep 24, 2013 by Manish Negi

+2 votes

1 answer

What are the tools are placed in An Android SDK?

posted Jan 24, 2017 by Dhaval Vaghela

+1 vote

2 answers

How to update null into a column type Date in MySQL ?

posted Oct 8, 2013 by Satyabrata Mahapatra

+2 votes

0 answers

When does static inner class get loaded into the JVM memory?

posted Jul 26, 2015 by Prakash Singh

0 votes

1 answer

Write a program that find all the pairs that add up to given number?

posted Sep 27, 2020 by Atindra Kumar Nath