Category: Interview Preparation

What is JVM Architecture?Answer: JVM architecture consists of ClassLoader, Runtime Data Areas (Heap, Stack, Method Area), Execution Engine, and Native Interface. It loads class files, manages memory, and executes bytecode.…

What is JVM Architecture?Answer: JVM architecture consists of ClassLoader, Runtime Data Areas (Heap, Stack, Method Area), Execution Engine, and Native Interface. It loads class files, manages memory, and executes bytecode.…

Q1. What is Java? Answer: Java is a high-level, object-oriented, platform-independent programming language developed by Sun Microsystems (now owned by Oracle Corporation). It follows the principle of “Write Once, Run…

Q51. What is recursion in C++? Recursion is a technique where a function calls itself to solve a smaller part of a problem. It must have a base condition to…

Q1. What is a function in C++? A function is a reusable block of code designed to perform a specific task. It helps in modular programming, reduces redundancy, and improves…

1. What is STL in C++? STL (Standard Template Library) is a powerful library in C++ that provides ready-made classes and functions for data structures and algorithms. It helps in…

1. What is a Pointer in C++? A pointer is a variable that stores the memory address of another variable. It allows direct access and manipulation of memory. 2. How…

1. What is C++? C++ is a general-purpose, object-oriented programming language developed by Bjarne Stroustrup in 1985 at Bell Labs. It is an extension of C language with added features…

1. What is a file in C? A file in C is a collection of data stored on secondary storage (hard disk). It allows programs to store data permanently. C…

51. What is function signature in C? Function signature consists of the function name and its parameter types. It does not include the return type. The signature helps the compiler…