Question and answer java technologies

Java Programming Questions and Answers

The objects of the class implementing the Comparable interface can be ordered. Java programs can carry extensive amount of run-time information that can be used to verify and resolve accesses to objects on run-time. What is a transient variable. But, if thread safety is necessary then use StringBuffer objects.

The following is a typical user scenario involving life cycle methods of servlet.

Java Interview Questions

What is Dynamic Binding late binding. Introductory Java Interview Questions As your skill level increases, the questions you receive get more complicated. Java uses Just-In-Time compiler to enable high performance. A Package can be defined as a grouping of related types classes, interfaces, enumerations and annotations providing access protection and name space management.

It is also possible for programs to create objects that are not subject to garbage collection. It is the process where one object acquires the properties of another. A multithreaded program contains two or more parts that can run concurrently.

When the intern method is invoked, if the pool already contains a string equal to this String object as determined by the equals Object method, then the string from the pool is returned.

JAVA Questions and Answers

There is no such thing as "pass-by-reference" in Java. Thread can be created by: Remote are available remotely. A dead thread cannot be restarted. Public - main method is called by JVM to run the method which is outside the scope of project therefore the access specifier has to be public to permit call from anywhere outside the application static - When the JVM makes are call to the main method there is not object existing for the class being called therefore it has to have static method to allow invocation from class.

It is a collection of element which cannot contain duplicate elements. If a subclass provides a specific implementation of a method that is already provided by its parent class, it is known as Method Overriding.

Jan 20,  · What is Protected method in Java Java Interview Question And Answer Naresh i Technologies 2, views. How to Create a Gmail Signature with. Java uses the principle: "a super class object can refer to a subclass object" to resolve calls to overridden methods at run time.

If a superclass has method that is overridden by its subclasses, then the different versions of the overridden methods are invoked or executed with the help of a. Java: Interview questions for software tester?

[closed] Ask Question. a Java-specific question for a tester would be (targeting the awareness of Exceptions) what do you look for when there is a problem with the software you are testing? Not the answer. Java coding interview questions answers Java coding interview questions are mostly some programming exercises which is asked to be solved in java programming language in limited time during any core Java or J2EE interview.

No matter whether you have 2 years of experience or 4 years of experience, There is always some coding interview question in Java programming job you are applying.

Core Java Interview Questions 90% assurance of interview questions. There is the list of core java interview questions. If there is any core java interview question that has been asked to you, kindly post it in the ask question section.

The timeworn and pedestrian answer is simply "to get to the other side." Here are some creative and original answers: The chicken crossed the road.

Question and answer java technologies
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testing - Java: Interview questions for software tester? - Stack Overflow