Most viewed questions under tag java

+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

+2 votes

1 answer

Write a function that takes a string as input and calculates the weight of the string as per rules mentioned below?

posted May 13, 2017 by Tanay Hanuman Toor

0 votes

1 answer

Write a method to calculate total Weight of a hill pattern in Java?

posted Dec 10, 2017 by Arindam Nath

0 votes

1 answer

Find the sum of sums of digits of a given number, as per the method mentioned below?

posted Aug 27, 2017 by Panchika Trivedi

0 votes

1 answer

while click on url why control goes web.xml file in any application in java

posted Oct 6, 2013 by Nagarajuk

+2 votes

1 answer

Getting "JSchException: Auth fail" with correct Username and Password

posted Dec 17, 2013 by Satyabrata Mahapatra

+2 votes

3 answers

Java: What is busy spin in multi-threading?

posted Feb 23, 2016 by Karthick.c

0 votes

1 answer

Check if digit of a given number can be rearranged to form a palindrome?

posted Nov 3, 2017 by Jordan White

+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

+5 votes

1 answer

Concatenate the sums of each word to form the result WORLD WIDE WEB = 402326?

posted May 9, 2017 by Azhar Keer

0 votes

Java keywords are written in lowercase as well as uppercase. [MCQ]

posted Nov 24, 2017 by anonymous

+2 votes

1 answer

Given 2 strings, a and b, return a string of the form short+long+short in JAVA.. If "hi" and "hello", then "hihellohi"?

posted Apr 15, 2017 by Prajwal C.m.

+1 vote

2 answers

What is the difference between function signature and function prototype?

posted Jun 22, 2014 by Neelam

+2 votes

1 answer

Write a program to find nth prime number using Java?

posted Apr 22, 2017 by Azhar Keer

+2 votes

1 answer

Give example program for Java Singleton – Thread safe Singleton in Java using Enum?

posted Apr 28, 2015 by Joy Nelson

0 votes

4 answers

Why is JAVA Architectural Neutral ?

posted Sep 8, 2014 by Neelam

+1 vote

1 answer

Java: Can we call static method with null object?

posted Sep 4, 2013 by Arvind Singh

+4 votes

2 answers

What is the difference between interceptor and filters in context of Java?

posted Feb 5, 2015 by anonymous

+2 votes

1 answer

Given two strings, append them together and return the result in Java? Conditions are ...

posted Apr 15, 2017 by Prajwal C.m.

+3 votes

2 answers

Why equals() method must be compatible with compareTo in java ?

posted Sep 8, 2013 by Vinay Shukla

+2 votes

1 answer

If a method throws NullPointerException in super class, can we override it with a method which throws RuntimeException?

posted Sep 14, 2013 by Arvind Singh

0 votes

1 answer

What is the difference between Thread.start() & Thread.run() method in Java

posted Sep 4, 2013 by Vinay Shukla

+2 votes

1 answer

Please explain the difference between Immutable and Singleton in Java?

posted Aug 12, 2015 by anonymous

+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

+3 votes

2 answers

Java: Why we can declare arraylist as final and what is impact on this?

posted Oct 6, 2013 by Nagarajuk

0 votes

1 answer

How can we make sure main() is the last thread to finish in Java Program?

posted Feb 12, 2018 by Jon Deck

+1 vote

1 answer

What is Adapter class in Java ?

posted Mar 18, 2014 by Ashwini Miraj

+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 hash collision in JAVA, please explain in detail?

posted Aug 10, 2015 by anonymous

+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

+2 votes

1 answer

What is the difference between @PathParam and @QueryParam in REST?

posted Feb 9, 2015 by anonymous

+2 votes

3 answers

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

posted Apr 1, 2016 by Deepak Jangid

0 votes

1 answer

What are common JDBC Exceptions?

posted Aug 17, 2017 by anonymous

0 votes

1 answer

Java: Difference between sessionid vs jsessionid?

posted Aug 4, 2016 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

0 answers

How to create a thread-safe singleton in Java using double-checked locking?

posted Jan 20, 2017 by Dhaval Vaghela

+1 vote

1 answer

What is difference and similarities between concat() and append() in java,given reason and example?

posted Jul 1, 2017 by Ajay Kumar

+1 vote

1 answer

How to convert an integer to string in Java without use of any inbuilt function?

posted Mar 14, 2016 by anonymous

+5 votes

1 answer

How do you avoid NullPointerException, while comparing two Strings in Java?

posted Dec 31, 2015 by Roshni

+2 votes

1 answer

How race condition works in Java hashmap?

posted Sep 18, 2013 by Arvind Singh

+1 vote

1 answer

What are the advantages of Java layout managers?

posted Dec 6, 2014 by Deepan

+3 votes

0 answers

All the .jsp and .js files are not including from projects, while debugging java script file using F12 tool in IE10

posted Jan 10, 2015 by anonymous

+1 vote

1 answer

what is the size of an empty class in java and why?

posted Feb 20, 2015 by anonymous

+1 vote

1 answer

What are advantages and disadvantages of Java Sockets?

posted Feb 27, 2017 by Karthick.c

+1 vote

2 answers

How to reverse an arraylist in Java using recursion?

posted Mar 21, 2016 by anonymous

+1 vote

1 answer

Difference between volatile and atomic variable in Java?

posted Apr 28, 2015 by Joy Nelson

+2 votes

1 answer

java.net.SocketException: "Permission denied": connect, when running Tomcat 7 as a windows service

posted Oct 23, 2013 by Sumit Pokharna

+1 vote

0 answers

Write a java program to count unique digits in number?

posted May 21, 2018 by anonymous

+1 vote

1 answer

how to prevent a client from directly instantiating your concrete classes?

posted Oct 11, 2016 by anonymous

+1 vote

1 answer

How can we avoid direct access of JSP pages from client browser?

posted Aug 30, 2017 by anonymous