Emirates National Facilities Management Interview Questions and Answers

An interface in Java is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.

• Interfaces in Java are used to achieve abstraction and multiple inheritance.

• Interfaces cannot have method bodies, only method signatures.

• Classes can implement multiple interfaces, but can only extend one class.

• Example: interface Shape { void draw(); }

• Example: class Circle implements Shape { public void draw() { Sys...read more

XPath code for selected value in Amazon site

• Use the 'contains' function to locate the selected value

• Identify the unique attributes of the selected value to create a specific XPath

• Consider using the 'text()' function to locate text within an element

Java program to count characters in a given string

• Use a HashMap to store characters and their counts

• Iterate through the string and update the counts in the HashMap

• Print the characters and their counts at the end

POM framework is a design pattern used in automation testing to create an object repository for web elements.

• POM stands for Page Object Model

• It helps in creating reusable code and reduces code duplication

• Each web page is represented as a separate class, with locators and methods to interact with elements

• Improves test maintenance and readability

Program to reverse a string using array of characters

• Create an array of characters from the input string

• Iterate through the array in reverse order and append each character to a new string

• Return the reversed string

Java 8 features used in project

• Lambda expressions for functional programming

• Stream API for efficient data processing

• Default methods for backward compatibility

• Date and Time API for improved date handling

• Optional class for null checks

• Parallel processing for improved performance