Recent posts under tag java

+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

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Java: Implement a code to count the occurrences of each word in input file and write the word with count in output file?

posted Apr 22, 2017 by Azhar Keer

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Struts: All dependencies vs Essential dependencies?

posted Apr 18, 2017 by anonymous

+2 votes

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What is Dalvik Virtual Machine?

posted Apr 17, 2017 by Karthick.c

+2 votes

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Given a string and a non empty word string, return a string made of each char just before and just after every am..?

posted Apr 17, 2017 by Atindra Kumar Nath

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Given one string and return the version by removing the left and right letter of immediate (*) star?

posted Apr 17, 2017 by Atindra Kumar Nath

+2 votes

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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.

+2 votes

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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

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

+2 votes

1 answer

Write a java program to check if a given number is positive, negative or zero?

posted Apr 10, 2017 by Atindra Kumar Nath

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How to pass special characters as command line arguments in java?

posted Apr 8, 2017 by Atindra Kumar Nath

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Java code that removes a middle node of a double linked list?

posted Apr 4, 2017 by anonymous

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What is an Intent? Can it be used to provide data to a ContentProvider? Why or why not?

posted Mar 27, 2017 by Karthick.c

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Describe three common use cases for using an Intent in Android?

posted Mar 27, 2017 by Karthick.c

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How to do inter-thread communication in android, using handlers?

posted Mar 20, 2017 by Karthick.c

+1 vote

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What is the difference between an implicit intent and explicit intent?

posted Mar 9, 2017 by Karthick.c

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What is the difference between a regular .png and a nine-patch image?

posted Mar 9, 2017 by Karthick.c

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What is thread pool? Why should you thread pool in Java?

posted Mar 8, 2017 by Karthick.c

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What are advantages and disadvantages of Java Sockets?

posted Feb 27, 2017 by Karthick.c

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How to know if an explicit object casting is needed in Java?

posted Feb 27, 2017 by Karthick.c

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What is Law of Demeter violation?

posted Feb 22, 2017 by Karthick.c

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Which one will take more memory, an int or Integer?

posted Feb 22, 2017 by Karthick.c

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Find the given doubly linked list is palindrome or not?

posted Feb 20, 2017 by anonymous

+1 vote

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How to Save to an Array and display array in listview on another activity ?

posted Feb 9, 2017 by Samira Sharma

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What is the volatile keyword in Java? How and why should we use it?

posted Feb 6, 2017 by Dhaval Vaghela

+1 vote

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How can you catch an exception thrown by another thread in Java?

posted Feb 6, 2017 by Samira Sharma

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Can interfaces in Java contain inner classes if yes then describe it, if no then why not?

posted Jan 31, 2017 by anonymous

+6 votes

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What is the Difference between JDK and JRE?

posted Jan 30, 2017 by Vinni Fernandis

+2 votes

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What is JVM? Why is Java called the ‘Platform Independent Programming Language’?

posted Jan 30, 2017 by Manisha

+3 votes

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Can we use multiple main methods in java?

posted Jan 30, 2017 by Manisha

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Which one will be faster in Java, Increment operator or Decrement operator?

posted Jan 28, 2017 by Dhaval Vaghela

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1 answer

What is the difference between an Interface and abstract class?

posted Jan 27, 2017 by Dhaval Vaghela

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Which design pattern have you used in your production code? apart from Singleton?

posted Jan 25, 2017 by Karthick.c

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Write wait-notify code for producer-consumer problem?

posted Jan 25, 2017 by Karthick.c

+2 votes

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How to launch an activity in android?

posted Jan 24, 2017 by Farhan

+2 votes

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What are the tools are placed in An Android SDK?

posted Jan 24, 2017 by Dhaval Vaghela

+1 vote

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What is the difference between factory and abstract factory pattern?

posted Jan 23, 2017 by Dhaval Vaghela

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What is immutable object? Can you write immutable object?

posted Jan 23, 2017 by Dhaval Vaghela

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

posted Jan 20, 2017 by Dhaval Vaghela

+3 votes

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What if I write static public void instead of public static void?

posted Jan 19, 2017 by Dhaval Vaghela

+1 vote

1 answer

When jvm starts up, which thread will be started up first?

posted Jan 18, 2017 by Karthick.c

+1 vote

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What is synchronization? Object level locking and class level locking?

posted Jan 18, 2017 by Karthick.c

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What’s wrong using HashMap in multithreaded environment? When get() method go to infinite loop ?

posted Jan 13, 2017 by Karthick.c

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What is the difference when String is gets created using literal or new() operator ?

posted Jan 13, 2017 by Karthick.c

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What is difference between Executor.submit() and Executer.execute() method ?

posted Jan 12, 2017 by Karthick.c

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1 answer

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

posted Jan 12, 2017 by Karthick.c

+3 votes

1 answer

DS: Write a program to find the sum of nodes present at the kth level of a binary tree ?

posted Jan 12, 2017 by Rupam

+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

+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

1 answer

I don't want my class to be inherited by any other class. What should i do?

posted Jan 4, 2017 by Dhaval Vaghela