10+ Rukmani Devi Jaipuria Public School Interview Questions and Answers

Interview questions for Automation Test Engineer on encapsulation, abstraction, Selenium dropdown and Appium configuration.

• Encapsulation is the process of hiding implementation details from the user.

• Abstraction is the process of hiding unnecessary details from the user.

• Selenium can locate dropdown using Select class and its methods.

• Appium configuration questions may include setting up desired capabilities, specifying app path, device name, platform name, etc.

To reverse a string in Java, use the StringBuilder class and its reverse() method.

• Create a StringBuilder object with the given string as its argument

• Call the reverse() method on the StringBuilder object

• Convert the StringBuilder object back to a string using the toString() method

• Alternatively, you can use a loop to iterate through the characters of the string and append them to a new string in reverse order

Linked is a data structure that stores elements in a linear sequence and maintains a link between them.

• There are two types of linked lists: singly linked list and doubly linked list.

• In a singly linked list, each element has a link to the next element.

• In a doubly linked list, each element has a link to both the next and previous elements.

• Linked lists are commonly used in computer science for implementing dynamic data structures.

• Examples of linked list applications include hash...read more

Inheritance is a mechanism where a new class is derived from an existing class. Abstraction is a process of hiding implementation details.

• Inheritance allows a subclass to inherit properties and methods of a superclass.

• Abstraction allows a class to provide only essential features and hide the implementation details.

• Inheritance is a 'is-a' relationship while abstraction is a 'has-a' relationship.

• Inheritance can lead to tight coupling while abstraction promotes loose coupling.

• Ex...read more

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

• There are four main pillars of OOPs: Encapsulation, Inheritance, Polymorphism, and Abstraction.

• Encapsulation is the process of hiding the implementation details of an object from the outside world.

• Inheritance is the process of creating new classes from existing ones, inheriting their properties and methods.

• Polymorphism is the ability of an object to take on many forms. It...read more

Overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class. Overloading is when a class has two or more methods with the same name but different parameters.

• Overriding is used for runtime polymorphism

• Overloading is used for compile-time polymorphism

• Overriding method must have the same name, return type, and parameters as the method it is overriding

• Overloading method must have the same name but different parameters

• E...read more

Singleton design pattern ensures a class has only one instance and provides a global point of access to it.

• Ensures a class has only one instance

• Provides a global point of access to that instance

• Commonly used in scenarios where only one instance of a class is needed, such as database connections or logging

String manipulation code

• Use string methods like split(), replace(), substring() etc.

• Loop through the string to manipulate each character

• Regular expressions can also be used for complex manipulations

Empowering women requires creating a supportive environment and providing equal opportunities.

• Promote gender equality in education and employment

• Provide access to resources and support networks

• Encourage women to pursue leadership roles

• Combat gender-based violence and discrimination

• Challenge societal norms and stereotypes

• Advocate for policies that support women's rights