Satin Creditcare Network IT fresher Interview Questions and Answers

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

• Java is an object-oriented programming language that follows the OOPS concept.

• OOPS focuses on encapsulation, inheritance, and polymorphism.

• Encapsulation is the process of hiding data and methods within a class.

• Inheritance allows a class to inherit properties and methods from its parent class.

• Polymorphism all...read more

Inheritance is a mechanism in OOP where a new class is derived from an existing class. Upcasting changes the use of member functions and data members for a child and parent class.

• Inheritance allows a child class to inherit properties and methods from a parent class.

• Upcasting is the process of converting a child class object to a parent class object.

• Upcasting allows a child class object to be treated as a parent class o...read more

To execute a Java program using command prompt, use the 'java' command followed by the name of the class containing the main method.

• Open command prompt and navigate to the directory containing the .class file

• Type 'java' followed by the name of the class containing the main method

• Press enter to execute the program

• Example: java MyProgram