Most answered questions under tag java

+1 vote

4 answers

Java: What is Serialization and deserialization?

posted Mar 1, 2016 by Naveen Kumar

0 votes

4 answers

Why is JAVA Architectural Neutral ?

posted Sep 8, 2014 by Neelam

+2 votes

3 answers

What's the difference between "a == b" and "a.equals(b)" in Java?

posted Apr 1, 2016 by Deepak Jangid

+1 vote

3 answers

What is markable interface in Java ?

posted Mar 6, 2016 by Deepak Jangid

+1 vote

3 answers

What is the use of final keyword in Java ?

posted Mar 6, 2016 by Deepak Jangid

+2 votes

3 answers

Java: What is busy spin in multi-threading?

posted Feb 23, 2016 by Karthick.c

+1 vote

3 answers

What happens when the following program is compiled and run.

posted Jan 12, 2016 by Kavana Gowda

0 votes

3 answers

How to write java code inside the html?

posted Sep 4, 2014 by anonymous

+1 vote

3 answers

Difference between checked and unchecked exception in Java?

posted Mar 25, 2014 by Aman

+2 votes

3 answers

Is Java Safe or is it going to be back door into Linux virus?

posted Oct 20, 2013 by Majula Joshi

+1 vote

3 answers

Why and how wait ,notify and notifyAll methods called in Object class not in Thread class?

posted Oct 9, 2013 by Nagarajuk

–1 vote

3 answers

How to detect memory leak in java?

posted Sep 8, 2013 by Vinay Shukla

0 votes

2 answers

What is the difference between Collection and Collections in java?

posted Feb 5, 2018 by Ammy Jack

+1 vote

2 answers

What is difference between java.util.Date and java.sql.Date?

posted Sep 19, 2017 by Pankaj Singh

+2 votes

2 answers

What are the different classes for formatting dates in Java?

posted Jul 4, 2017 by anonymous

+2 votes

2 answers

Write a Java program to find the Sum of last digits of two given numbers?

posted May 13, 2017 by Tanay Hanuman Toor

+1 vote

2 answers

Write a program to remove the duplicate elements in an array and print in java?

posted Apr 22, 2017 by Azhar Keer

+3 votes

2 answers

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

posted Apr 12, 2017 by Atindra Kumar Nath

+3 votes

2 answers

Can we use multiple main methods in java?

posted Jan 30, 2017 by Manisha

+1 vote

2 answers

I want to print "Hello" even before main() is executed. How can we achieve that?

posted Jan 4, 2017 by Dhaval Vaghela

+1 vote

2 answers

What is the difference between throw and throws in Java?

posted Oct 24, 2016 by Pooja

+1 vote

2 answers

Wha is the difference between a = a + b and a += b in Java?

posted Oct 14, 2016 by Anitha

+1 vote

2 answers

What is the difference between DOM and SAX parser in Java?

posted Oct 13, 2016 by Deepa

+3 votes

2 answers

Android Activity Crashing

posted May 23, 2016 by Shalini

0 votes

2 answers

What is the major difference between java 7 and java 8 ?

posted May 13, 2016 by anonymous

0 votes

2 answers

Why String is Immutable or Final in Java?

posted May 13, 2016 by anonymous

0 votes

2 answers

Which design patterns are used in Hibernate framework?

posted Apr 28, 2016 by Shyam

+2 votes

2 answers

Which Java operator is right associative?

posted Apr 21, 2016 by Ramesh Gowda

0 votes

2 answers

Why constructor can be overloaded but can't be override?

posted Apr 13, 2016 by anonymous

+1 vote

2 answers

What is Liskov Substitution principle in Java?

posted Apr 1, 2016 by anonymous

+1 vote

2 answers

How to reverse an arraylist in Java using recursion?

posted Mar 21, 2016 by anonymous

0 votes

2 answers

What is the Difference between byte stream and Character streams?

posted Mar 17, 2016 by Karthick.c

+1 vote

2 answers

Can we use any class as Map key in Java if yes how, if no then why not?

posted Mar 14, 2016 by anonymous

0 votes

2 answers

Why can’t we create generic array? or write code as List<Integer>[] array = new ArrayList<Integer>[10];

posted Mar 14, 2016 by Shivam Kumar Pandey

+2 votes

2 answers

Can abstract class implements another interface in java?

posted Mar 6, 2016 by Deepak Jangid

+1 vote

2 answers

What is the Comparable interface in JAVA?

posted Mar 4, 2016 by Ritika Sharma

0 votes

2 answers

What is meant bye Cache in Java and What is the difference between first level cache and second level cache?

posted Feb 29, 2016 by Dominic

+2 votes

2 answers

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

posted Feb 15, 2016 by Karthick.c

+1 vote

2 answers

Why does String define the equals( ) method in Java? Can’t I just use ==?

posted Jan 28, 2016 by Nway Nadar

0 votes

2 answers

What is JAVAdoc utility?

posted Jan 12, 2016 by Dominic

+2 votes

2 answers

Compiled and run this code and give the output of the snippet.

posted Jan 12, 2016 by Divya Shree

+1 vote

2 answers

What gets printed when the following program is compiled and run?

posted Jan 12, 2016 by Divya Shree

+2 votes

2 answers

Does android support languages other than JAVA?

posted Dec 15, 2015 by anonymous

+1 vote

2 answers

Can you use this() and super() both in a constructor?

posted Oct 30, 2015 by Karthick.c

+2 votes

2 answers

What is the differeence between arrayList and Linkedlist in Java?

posted Oct 28, 2015 by anonymous

+2 votes

2 answers

Given a string and two words which are present in the string, find the minimum distance between the words

posted Oct 24, 2015 by anonymous

+1 vote

2 answers

What is hash collision in JAVA, please explain in detail?

posted Aug 10, 2015 by anonymous

–1 vote

2 answers

Why to choose C/C++ over Java?

posted Jun 17, 2015 by anonymous

+2 votes

2 answers

What is meant by Collections.copy in Java?

posted Jun 8, 2015 by Karthick.c

+3 votes

2 answers

Can we override constructor in Java? If yes then how, if no then why?

posted May 2, 2015 by anonymous