Livewire Computer Operator Interview Questions and Answers

Version control is essential for managing code changes and collaborating with team members.

• Version control allows for tracking changes made to code over time.

• It enables collaboration between team members by allowing multiple people to work on the same codebase simultaneously.

• It provides a way to revert to previous versions of code if necessary.

• Popular version control systems include Git, SVN, and Mercurial.

JVM stands for Java Virtual Machine. It is an abstract machine that enables a computer to run Java programs.

• JVM is responsible for interpreting the compiled Java code and executing it on the computer.

• It provides a platform-independent environment for Java programs to run on different operating systems.

• JVM has various components like class loader, bytecode verifier, and execution engine.

• Examples of JVM-based languages i

Byte code is a compiled code that can be executed on any platform with the help of a virtual machine.

• Byte code is an intermediate code that is generated by a compiler.

• It is platform-independent and can be executed on any platform with the help of a virtual machine.

• Examples of virtual machines include Java Virtual Machine (JVM) and .NET Common Language Runtime (CLR).

State management in React involves managing the state and props of components.

• State is used to manage data that changes within a component

• Props are used to pass data from a parent component to a child component

• State can be updated using setState() method

• Props are read-only and cannot be modified within a component

• State and props are used together to create dynamic and interactive UIs