Recent questions under tag java

0 votes

1 answer

What is UnsupportedOperationException in java?

posted Aug 11, 2017 by Sandeep Jain

+1 vote

1 answer

What is the benefit of Generics in Collections Framework?

posted Aug 11, 2017 by anonymous

0 votes

1 answer

What is the purpose of the Runtime class in Java?

posted Aug 9, 2017 by Riya Kumari

0 votes

1 answer

What is the difference between string and StringBuffer object in Java?

posted Aug 9, 2017 by anonymous

+2 votes

1 answer

Why main method is static in java?

posted Aug 9, 2017 by anonymous

+2 votes

0 answers

What are the different types of tombstone markers in HBase for deletion?

posted Jul 26, 2017 by Karthick.c

+2 votes

0 answers

What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

posted Jul 26, 2017 by Karthick.c

0 votes

0 answers

Java: Can we do arithmetic operations on a reference variable?

posted Jul 25, 2017 by Ajay Kumar

0 votes

0 answers

Java: Can we develop a singleton class without using private constructor?

posted Jul 14, 2017 by anonymous

+1 vote

0 answers

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

posted Jul 14, 2017 by Karthick.c

0 votes

0 answers

What is a rack awareness and on what basis is data stored in a rack?

posted Jul 14, 2017 by Karthick.c

0 votes

1 answer

What is 'finalize()' method in Java, why is it used and what could have been the problems if this method was not there?

posted Jul 13, 2017 by Rohini Dv

0 votes

0 answers

What are getters and setters in Java, why are these used and what are the advantages/disadvantages of it?

posted Jul 12, 2017 by Rohini Dv

+1 vote

1 answer

What is Job Tracker role in Hadoop?

posted Jul 11, 2017 by Karthick.c

0 votes

0 answers

Define DataNode and how does NameNode tackle DataNode failures in HADOOP?

posted Jul 11, 2017 by Karthick.c

0 votes

1 answer

How to replace a particular word by another word in a file in java?

posted Jul 7, 2017 by Ajay Kumar

+1 vote

1 answer

How to merge two files into a third file in java?

posted Jul 7, 2017 by Ajay Kumar

0 votes

0 answers

How to find a pair of elements swapping which makes sum of two arrays same?

posted Jul 7, 2017 by Ajay Kumar

0 votes

1 answer

Which is preferable JAVA or C/C++?

posted Jul 7, 2017 by anonymous

+2 votes

2 answers

What are the different classes for formatting dates in Java?

posted Jul 4, 2017 by anonymous

+2 votes

1 answer

How to show a user message without using printf or println or built-in methods of Java?

posted Jul 2, 2017 by Ajay Kumar

+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

+3 votes

0 answers

Explain the difference between HBase and Hive?

posted Jun 30, 2017 by Karthick.c

+2 votes

0 answers

Explain about the partitioning, shuffle and sort phase in Hadoop?

posted Jun 30, 2017 by Karthick.c

+1 vote

1 answer

What can we have method body in java interface?

posted Jun 30, 2017 by Ajay Kumar

+1 vote

1 answer

Does Java have Multiple Inheritance if yes give an example if no then explain it?

posted Jun 28, 2017 by Ajay Kumar

0 votes

0 answers

How to set to int value null in java?

posted Jun 27, 2017 by anonymous

+1 vote

1 answer

How to convert an int into Integer in java and what is difference between two?

posted Jun 27, 2017 by Ajay Kumar

+1 vote

0 answers

can we execute a program without main() method in java

posted Jun 26, 2017 by Ajay Kumar

0 votes

0 answers

What are the word operators in Java and c++?

posted Jun 25, 2017 by Priya Kanojiya

+1 vote

0 answers

What is a block and block scanner in HDFS?

posted Jun 22, 2017 by Karthick.c

+2 votes

0 answers

What is the best hardware configuration to run Hadoop?

posted Jun 22, 2017 by Karthick.c

+1 vote

0 answers

What concept that Hadoop framework works?Please explain with example?

posted Jun 21, 2017 by Karthick.c

+1 vote

0 answers

What is the difference between Hadoop and Traditional RDBMS?

posted Jun 21, 2017 by Karthick.c

+1 vote

1 answer

Given a number return the prime factor multiplication using C/Java?

posted Jun 13, 2017 by anonymous

+2 votes

1 answer

What is the difference between match_parent and fill_parent?

posted Jun 8, 2017 by Karthick.c

+2 votes

1 answer

What is ternary operator in Java? can you Give me an example this operator ?

posted May 31, 2017 by anonymous

0 votes

1 answer

What are the various window panes available in swing?

posted May 30, 2017 by Pooja Singh

+1 vote

0 answers

Mongodb retrieve data with API 3.x using Java

posted May 29, 2017 by anonymous

+1 vote

1 answer

Write a program which accepts 2 strings from the user and performs the following operation on it?

posted May 14, 2017 by Azhar Keer

+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

+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

0 votes

0 answers

Describe android Activities in brief?

posted May 11, 2017 by Karthick.c

0 votes

0 answers

Explain in brief about the important file and folder when you create new android application?

posted May 11, 2017 by Karthick.c

+1 vote

0 answers

How to convert JSON String to Java Object?

posted May 11, 2017 by Tapesh Kulkarni

0 votes

0 answers

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

posted May 10, 2017 by Karthick.c

+2 votes

1 answer

Write a function in JAVA that takes 2 numbers in string and forms a string containing the addition of these 2 numbers?

posted May 9, 2017 by Azhar Keer

+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

+4 votes

0 answers

How to count and print the number of times each character occurs in the given string in JAVA?

posted May 8, 2017 by Tanay Hanuman Toor

0 votes

0 answers

How to Add Two Integer Numbers without using Plus + or ++ Arithmetic Operator in Java

posted May 8, 2017 by Sona Munshi