1. What are the two types of Exceptions in Java ? Which are the differences between them ? Java has two types of exceptions: checked exceptions and unchecked exceptions. Unchecked exceptions do not need to be declared in a method...
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1. What is the purpose of garbage collection in Java, and when is it used ? The purpose of garbage collection is to identify and discard those objects that are no longer needed by the application, in order for the resources to be...
1. What is JVM ? Why is Java called the Platform Independent Programming Language? A Java virtual machine (JVM) is a process virtual machine that can execute Java bytecode. Each Java source file is compiled into a bytecode file...
Main root <html> … </html> The HTML <html> element represents the root (top-level element) of an HTML document, so it is also referred to as the root element. All other elements must be descendants of this...
1. What is SQL? SQL stands for Structured Query Language. It is a programming language used for managing and manipulating relational database. 2. What is database? A database is an organized collection of data stored and...
Which one of the following is the difference of the sum of cubes of first ten natural numbers and the sum of squares of first ten natural numbers? Answer: 2640 A person buys an item from a shop for which the shopkeeper...
National Qualifier Test is conducted every year by Tata consultancy service to recruit the IT employees. The below questions are asked in TCS NQT aptitude test on 13th SEP 2021 [slot 1]. TCS NQT aptitude questions are solved and...
1. What is a dielectric material? State their property. Dielectrics are the insulating materials having electric dipole moment permanently or temporarily by applying the electric field. These are mainly used to store electrical...
1. What is data science? Data science is like a detective story for numbers. It’s all about collecting, analyzing, and interpreting data to uncover hidden patterns and gain insights. Imagine you have a massive puzzle of...
1. What is meant by magnetic materials? Give examples? Magnetic materials are the materials which can be easily magnetized by keeping it in an external magnetic field. Examples: Iron, Ferrites, Carbon steel etc. 2. Define...
