Unanswerd questions under tag java

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Programming exercise

posted Jun 7, 2020 by Nour Saleh

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FIrestore Adapter is not loading new data during pagination applied

posted May 15, 2020 by anonymous

–1 vote

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Write a program to find the amount to be paid to or taken from the other friends who paid at the moments?

posted Jul 9, 2019 by Tanay Hanuman Toor

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in java array program

posted Feb 20, 2019 by Rohit Kumar

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

posted Feb 20, 2019 by anonymous

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Why do some people not like grapes?

posted Aug 29, 2018 by anonymous

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How can we use float values in Java?

posted Aug 9, 2018 by anonymous

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What is hash-collision in a hash table and how was it handled in Java?

posted Aug 9, 2018 by anonymous

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Which of these constructors is used to create an empty String object in Java? [MCQ]

posted Jul 13, 2018 by Frank Lee

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MongoDB: update a nested object with {"env":"qa"} in my updated collection with java-driver:

posted May 23, 2018 by Sonu Jindal

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Write a java program to count unique digits in number?

posted May 21, 2018 by anonymous

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What is the difference between static binding and dynamic binding in java?

posted May 18, 2018 by Jon Deck

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Why do I get the error method not defined in Java program

posted May 9, 2018 by anonymous

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My Android app crashed on click button?

posted Apr 19, 2018 by anonymous

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In Spring Framework what is bootstrap listener?

posted Apr 13, 2018 by anonymous

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How to fetch data from db which is stored as byte array by passing string array parameter as condition using java

posted Apr 7, 2018 by anonymous

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What is difference between HashMap vs HashSet in Java?

posted Mar 23, 2018 by anonymous

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What is Overriding and Overloading in Java?

posted Mar 23, 2018 by anonymous

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What is use for synchronization in Java?

posted Mar 23, 2018 by anonymous

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Why in Java there is no multilevel inheritance?

posted Mar 18, 2018 by anonymous

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What is JDBC savepoint? How to use it?

posted Feb 12, 2018 by Jon Deck

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What is Thread Scheduler and Time Slicing in java?

posted Feb 12, 2018 by Gn Guruswamy

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How can we store and retrieve images from the database?

posted Feb 9, 2018 by Frank Lee

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In Java, what is the difference between REST and Microservice?

posted Jan 31, 2018 by Aarati Mahajan

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How to deploy war file in tomcat?

posted Jan 25, 2018 by anonymous

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In Eclipse, How to create a war file?

posted Jan 25, 2018 by anonymous

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What is the purpose of toString() method in java ?

posted Jan 25, 2018 by Jon Deck

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What are the improvements in Concurrency API in Java 8?

posted Jan 25, 2018 by Frank Lee

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Why char array is preferred over string for storing password?

posted Jan 19, 2018 by Jon Deck

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What is String subSequence method in java?

posted Jan 18, 2018 by Frank Lee

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How can we integrate log4j in Struts2 application?

posted Jan 18, 2018 by anonymous

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Why java connection, statement and prepared statements are interfaces not classes ? What is/are the benefit(s)?

posted Dec 30, 2017 by anonymous

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What is the difference between Gradle and Maven in Java ?

posted Dec 29, 2017 by Parampreet Kaur

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What is DispatcherServlet and ContextLoaderListener?

posted Dec 20, 2017 by Jon Deck

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How to sort a collection of custom objects in Java?

posted Dec 15, 2017 by Jon Deck

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What is the use of execAndWait interceptor in Struts2?

posted Dec 13, 2017 by Frank Lee

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Can the JSF support multiple faces configuration files?

posted Dec 9, 2017 by Jon Deck

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What is the use of token interceptor in Struts2?

posted Dec 9, 2017 by Jon Deck

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What is Aspect, Advice, Pointcut, JointPoint and Advice arguments in AOP (Aspect-oriented programming)?

posted Dec 6, 2017 by Gn Guruswamy

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Java does not define which type modifier? [MCQ]

posted Dec 5, 2017 by anonymous

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

posted Nov 24, 2017 by anonymous

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What is the correct syntax for java main method? [MCQ]

posted Nov 24, 2017 by anonymous

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What are the advantages of Enterprise Java Beans (EJB) components?

posted Nov 9, 2017 by Frank Lee

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How to find all duplicate elements in an array in Java?

posted Nov 2, 2017 by anonymous

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Parse date in french locale which can be found anywhere in the string

posted Oct 25, 2017 by Shivam Kumar Pandey

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Java collection class like map

posted Oct 22, 2017 by Madu Hansi

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Java program on sum of last two digits of a number

posted Oct 16, 2017 by Aditi Sharma

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How to get the IP address of client in servlet?

posted Oct 6, 2017 by anonymous

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Can we use JavaScript with JSP Pages?

posted Oct 3, 2017 by Supriya Jain

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How can we upload files in Struts2 application?

posted Sep 28, 2017 by anonymous