TEKsystems Sdet Automation Test Engineer Interview Questions and Answers

Reverse a string while maintaining the position of spaces.

• Iterate through the string and store the positions of spaces in an array.

• Reverse the string without considering spaces.

• Insert spaces back into their original positions using the array of space positions.

Overloading is when a class has multiple methods with the same name but different parameters. Overriding is when a subclass provides its own implementation of a method from its superclass.

• Overloading is used to provide different ways to call a method with different parameters

• Overriding is used to change the behavior of a method in a subclass

• Overloading is resolved at compile-time while overriding is resolved at runtime

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An interface is a contract between two systems or components that defines the methods and properties that one system can use from the other.

• An interface defines a set of methods and properties that a class must implement

• Interfaces provide a way to achieve polymorphism in object-oriented programming

• Interfaces are used to define contracts between different parts of a system

• Interfaces can be used to define common function...read more