Recent posts under tag java

+2 votes

Liskov Substitution Principle ,LSP concept in Object Oriented Design

posted Apr 1, 2016 by Shivam Kumar Pandey

+1 vote

2 answers

What is Liskov Substitution principle in Java?

posted Apr 1, 2016 by anonymous

+2 votes

1 answer

What is a compile time constant in Java? What is the risk of using it?

posted Apr 1, 2016 by Deepak Jangid

+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

1 answer

How to find memory usage using Java program?

posted Mar 31, 2016 by Vijay

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1 answer

What is Java Heap space?

posted Mar 31, 2016 by Vijay

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1 answer

What is the difference between WeakReference and SoftReference in Java?

posted Mar 31, 2016 by Vijay

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1 answer

How to implement a circular linked list in Java?

posted Mar 30, 2016 by anonymous

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1 answer

Why insertion and deletion in ArrayList is slow compared to LinkedList Please explain with example?

posted Mar 30, 2016 by Karthick.c

+2 votes

1 answer

Java: What is clone method and which class contains clone method?

posted Mar 30, 2016 by Abu Anam

+1 vote

1 answer

What is thread dump in Java, how to take thread dump in Java?

posted Mar 30, 2016 by Abu Anam

+2 votes

0 answers

Write a java function to accept a number and reverse the same?

posted Mar 29, 2016 by anonymous

+3 votes

What is Mule ESB?

posted Mar 28, 2016 by anonymous

+2 votes

0 answers

When designing an abstract class, why should we avoid calling abstract methods inside its constructor?

posted Mar 28, 2016 by Ati Kumar

+2 votes

1 answer

What is the ThreadLocal class? How and why would we use it?

posted Mar 28, 2016 by Pratiksha Shetty

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0 answers

Why would it be more secure to store sensitive data (such as a password) in a character array rather than in a String

posted Mar 28, 2016 by Deepak Jangid

+1 vote

1 answer

What are the difference between Hash Map and Hash Table in Java?

posted Mar 28, 2016 by Mukul Chag

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1 answer

What is the difference between Hibernate and EJB 3?

posted Mar 28, 2016 by Danial Rotwaski

+1 vote

1 answer

What is JBoss JBPM?

posted Mar 28, 2016 by Danial Rotwaski

+1 vote

1 answer

What is Constructors, Constructor Overloading and Copy-Constructor in Java?

posted Mar 25, 2016 by Vijay

+1 vote

1 answer

How to sort a map using value (<key, value>) in Java?

posted Mar 25, 2016 by anonymous

+1 vote

1 answer

API to get online Ticket Status

posted Mar 24, 2016 by Satyabrata Mahapatra

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1 answer

Java: How to sort a Stack using a temporary Stack?

posted Mar 23, 2016 by Joyce

+1 vote

0 answers

Can i use Java swing application in a freshly installed Linux

posted Mar 22, 2016 by Karthick.c

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0 answers

In Java can any one help how to Set daily, weekly, monthly, yearly recurrence to calendar in .pst file?

posted Mar 22, 2016 by Karthick.c

+1 vote

2 answers

How to reverse an arraylist in Java using recursion?

posted Mar 21, 2016 by anonymous

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1 answer

Java: If two interface have same method, how can we come to know that which method is of which interface?

posted Mar 21, 2016 by anonymous

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1 answer

Explain the difference between ITERATOR AND ENUMERATION INTERFACE with example?

posted Mar 17, 2016 by Karthick.c

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1 answer

What are FileReader and FileWriter ? Explain with an example to read and write into files.

posted Mar 17, 2016 by Karthick.c

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2 answers

What is the Difference between byte stream and Character streams?

posted Mar 17, 2016 by Karthick.c

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0 answers

Camera Intent issue,how can I know whether app is installed in samsung device or others using java?

posted Mar 16, 2016 by Shivam Kumar Pandey

+1 vote

1 answer

What is the use of interfaces in Java?

posted Mar 16, 2016 by Renita

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1 answer

What does intern() method do in java?

posted Mar 16, 2016 by anonymous

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1 answer

How substring method work in Java?

posted Mar 16, 2016 by Diya Borda

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1 answer

What is the meaning of Auto Wiring in Java?

posted Mar 15, 2016 by Karthick.c

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0 answers

What is the meaning of Bean wiring in Java?

posted Mar 15, 2016 by Karthick.c

+1 vote

1 answer

What is the difference between the >> and >>> operators in java?

posted Mar 15, 2016 by Deepak Jangid

+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

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1 answer

Java: What are different Collection views provided by Map interface?

posted Mar 14, 2016 by anonymous

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1 answer

Java: How to decide between HashMap and TreeMap?

posted Mar 14, 2016 by anonymous

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1 answer

What are concurrent Collection Classes in Java and why is it used? Please explain with example.

posted Mar 14, 2016 by anonymous

+1 vote

1 answer

What is BlockingQueue in Java and what is its use?

posted Mar 14, 2016 by Shivam Kumar Pandey

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1 answer

What is difference between Comparable and Comparator interface in Java?

posted Mar 14, 2016 by anonymous

+1 vote

1 answer

While passing a Collection as argument to a function, how can we make sure the function will not be able to modify it?

posted Mar 14, 2016 by anonymous

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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

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1 answer

Why can’t we write code as List<Number> numbers = new ArrayList<Integer>();?

posted Mar 14, 2016 by anonymous

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1 answer

Java: How the string objects in string constant pool garbage collected?

posted Mar 14, 2016 by anonymous

+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

+2 votes

1 answer

What is the GregorianCalendar class in Java Programming?

posted Mar 11, 2016 by Vijay

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1 answer

What are synchronized methods and synchronized statements in Java Programming?

posted Mar 11, 2016 by Vijay