Category Archives: Java J2SE Interview Questions

What is declaration ? | Java J2SE Questions

A statement that establishes an identifier and associates attributes with it, without necessarily reserving its storage (for data) or providing the implementation (for methods). See also definition.

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What is critical section ? | Java J2SE Questions

A segment of code in which a thread uses resources (such as certain instance variables) that can be used by other threads, but that must not be used by them at the same time.

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What is credentials ? | Java J2SE Questions

The information describing the security attributes of a principal. Credentials can be acquired only through authentication or delegation.

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What is core packages ? | Java J2SE Questions

The required set of APIs in a Java platform edition which must be supported in any and all compatible implementations.

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What is core class ? | Java J2SE Questions

A public class (or interface) that is a standard member of the Java Platform. The intent is that the core classes for the Java platform, at minimum, are available on all operating systems where the Java platform runs. A program … Continue reading

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What is CORBA ? | Java J2SE Questions

Common Object Request Broker Architecture. A language independent, distributed object model specified by the Object Management Group (OMG).

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What is conversational state ? | Java J2SE Questions

The field values of a session bean plus the transitive closure of the objects reachable from the bean’s fields. The transitive closure of a bean is defined in terms of the serialization protocol for the Java programming language, that is, … Continue reading

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What is continue ? | Java J2SE Questions

A Java keyword used to resume program execution at the end of the current loop. If followed by a label, continue resumes execution where the label occurs.

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What is const ? | Java J2SE Questions

A reserved Java keyword not used by current versions of the Java programming language.

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What is constructor ? | Java J2SE Questions

A pseudo-method that creates an object. In the Java programming language, constructors are instance methods with the same name as their class. Constructors are invoked using the new keyword.

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