How can you create custom exceptions in Java ?
Definition Custom exceptions in Java are user-defined exceptions created by extending the base Exception class (for checked exceptions) or RuntimeException class (for unchecked exceptions). These…
Describe the try-catch-finally block and its purpose in exception handling ?
Definition In exception handling, the try-catch-finally block is a control structure used to handle errors or unexpected situations that occur during the execution of a…
How does Java handle exceptions ?
Definition An exception in Java is an event that disrupts the normal flow of the program. It is an object that represents an error or…
What is an exception in java, and why is exception handling important ?
Definition In Java an exception is an event that occurs during the execution of a program and disrupts the normal flow of instructions. It is…
What is the purpose of the volatile keyword in Java ?
Definition The volatile keyword in Java is a mechanism that helps achieve visibility of changes to variables across multiple threads. When a variable is declared…
What is a deadlock and how can it be avoided ?
A deadlock in computer science refers to a situation in multithreaded or multi-process systems where two or more processes are blocked forever, waiting for each…
What Is The Difference Between A Process And A Thread?
1.Definition Aspect Process Thread Definition A process is an independent program in execution, with its own memory space, resources, and environment. In Java running…
How can you create a thread in Java ?
Definition A thread in Java is a lightweight process that can run concurrently within a Java program. Java supports multithreading, where multiple threads run independently…
What Is Multithreading And Why Is It Important In Java ?
Definition Multithreading is a programming technique in which multiple threads are created within a single process, allowing concurrent execution of tasks. In Java, threads represent…
What Is The Time Complexity Of Various Operations In A Hash Table ?
A hash table is a data structure that uses a hash function to map keys to their associated values. It is commonly used for efficient…
How Does A Hashset Work Internally In Java ?
A HashSet in Java is a part of the Java Collections Framework and is used to store unique elements. It internally uses a HashMap to…
Explain the concept of dynamic programming in Java ?
Dynamic programming (DP) is a problem-solving technique used in programming to optimize recursive solutions by breaking them down into simpler subproblems and storing the results…
Explain The Concept Of A Priority Queue And Provide An Example Of Its Application ?
A priority queue in Java is a type of data structure that orders elements by their priority, so elements with higher (or lower) priority are…
Explain The Concept Of A Hash Table ?
A hash table is a data structure that stores key-value pairs and allows for fast retrieval of data. It uses a hashing technique to convert…
When Do You Use Interface And Abstract Class In Java ?
Both interfaces and abstract classes are used to achieve abstraction in Java, but they serve different purposes and have different rules and use cases. Understanding…
What Is The Difference Between Static And Dynamic Binding ?
Binding refers to the process of linking a method call with the method body (or actual method definition). In Java , method binding can happen…
