The first and foremost step in both static control and instance control flow is to identify thestaticand instance members respectively when they are executed.So, while JVM identifies thestaticor instance variables and initializes them with a default value, that variable stay inRIWO(Read Indirectly ...
[Interview Question ][Data Structure] Two Sum Problem -Array Two sum problem is one of the most asked data structure questions for a java developer interview. There could be one or more ways to solve the problem but i am trying to give the optimized solution to this problem. Lets first ...
15 (ISC)2 CISSP Certified Information Systems Security Professional Official Practice Tests 16 CPC exam preparation with 300 Practice Questions and 3 Full Practice tests based on ICD 10 and HCPS Level II , Including case Studies for Certified Professional Co...
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This core Java question is followup of previous question and expecting candidate to write Java singleton using double checked locking. Remember to use volatile variable to make Singleton thread-safe. check 10 Interview questions on Singleton Pattern in Java for more details and questions answers ...
2. Complete the post-test and record your answers on this Continuing Education Form. Note that you can use this printed form or you can access the form online (you will need to print the form out and complete the questions on the hard-copy print-out). 3. Complete the registration ...
These questions for Java interviews are prepared by the subject experts and can be practiced by the students and developers to practice, learn, and get selected by the top IT companies.We have categorized these questions into 3 sections. Let's practice the interview questions and answers on ...
- Best practice for user defined key class is to make it immutable, so that hashCode() value can be cached for fast performance. Also immutable classes make sure that hashCode() and equals() will not change in future that will solve any issue with mutability. For example, let's say I ...
JPA (Java Persistence API) MCQs: This section contains multiple-choice questions and answers on the various topics of JPA (Java Persistence API). Practice these MCQs to test and enhance your skills on JPA (Java Persistence API). List of JPA (Java Persistence API) MCQs ...
This overview of the JMS API answers the following questions.What Is Messaging? What Is the JMS API? When Can You Use the JMS API? How Does the JMS API Work with the Java EE Platform?What Is Messaging?Messaging is a method of communication between software components or applications. A ...