Vinsys IT Services India Limited Coding Instructor Interview Questions and Answers

Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.

• Allows for code reusability by creating a new class based on an existing class

• Child class can access and modify the attributes and methods of the parent class

• Helps in creating a hierarchy of classes with shared characteristics

A life cycle hook in auto scaling allows you to perform custom actions before an instance is launched or terminated.

• Life cycle hooks can be used to pause the instance launch process to perform custom actions.

• Common actions include validating the instance configuration or setting up additional resources.

• Examples of life cycle hooks include 'Launch' and 'Terminate'.