What is the data structures used to perform recursion?
Stack. Because of its LIFO (Last In First Out) property it remembers its ‘caller’ so knows whom to return when the function has to return. Recursion makes use of system stack for storing the...
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Minimum number of queues needed to implement the priority queue?
It should be two. One queue is used for actual storing of data and another for storing priorities.
If you are using C language to implement the heterogeneous linked list, what pointer type will you use?
The heterogeneous linked list contains different data types in its nodes and we need a link, pointer to connect them. It is not possible to use ordinary pointers for this. So we go for...
What are the major data structures used in the areas like RDBMS, Network data model & Hierarchical data model
– RDBMS – Array (i.e. Array of structures) – Network data model – Graph – Hierarchical data model – Trees
List out the areas in which data structures are applied extensively?
Here are the list : – Compiler Design, – Operating System, – Database Management System, – Statistical analysis package, – Numerical Analysis, – Graphics, – Artificial Intelligence, – Simulation
What is data structure?
A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about the relationship between data items allows designing of...
What is CallableStatement?
A java.sql.CallableStatement is used to call stored procedures in a database. A stored procedure is like a function or method in a class, except it lives inside the database. CallableStatement – Can be created...
Difference between JSP include directive and JSP include action?
include directive and include action tag both are used for including a file to the current JSP page. However there is a difference in the way they include file. – include Directive: Static include...
What is the difference between ClassNotFoundException and NoClassDefFoundError ?
ClassNotFoundException is an exception that occurs when you try to load a class at run time using Class.forName() or loadClass() methods and mentioned classes are not found in the classpath. NoClassDefFoundError is an error...
Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: javax/transaction/SystemException
You dont’ have javax.transaction.SystemException on your runtime classpath. This can be fixed by adding dependency to your pom.xml if you use Maven <dependency> <groupId>javax.transaction</groupId> <artifactId>javax.transaction-api</artifactId> <version>1.2</version> </dependency> If you are using gradle, here is...
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