Ortler Solutions Interview Questions and Answers

Cut the cake in half horizontally, then vertically, and then diagonally twice.

• Cut the cake in half horizontally.

• Cut the cake in half vertically.

• Cut the cake diagonally from the center to the edge twice.

• Total cuts required: 7

The main method in Java refers to the entry point of a Java program where the execution begins.

• The main method must be declared as public static void main(String[] args)

• It is the starting point of a Java program where the JVM looks for the main method to start execution

• The main method takes an array of strings as input which can be used to pass command line arguments

An array is a data structure that stores a collection of elements of the same type in contiguous memory locations. A linked list is a data structure that consists of nodes where each node contains a data field and a reference to the next node in the sequence.

• Array is static in size and elements are accessed using indices.

• Linked list is dynamic in size and elements are accessed sequentially by following the references.

• Example: Array - int[] arr = {1, 2, 3}; Linked list - Node ...read more

Search engine optimization (SEO) is the process of improving a website's visibility on search engines like Google.

• SEO involves optimizing website content, meta tags, and backlinks to improve search engine rankings.

• Keyword research is essential for SEO to target relevant search terms.

• Creating high-quality content and obtaining backlinks from reputable websites can boost SEO.

• Regularly monitoring and adjusting SEO strategies is important to maintain and improve rankings.

Objects are instances of classes in object-oriented programming. Classes are blueprints for creating objects with attributes and methods.

• Objects are instances of classes that contain data (attributes) and behavior (methods)

• Classes are blueprints for creating objects with predefined attributes and methods

• Objects can interact with each other by calling methods or accessing attributes

• Inheritance allows classes to inherit attributes and methods from a parent class

• Encapsulation en...read more

Linear regression assumptions include linearity, independence, homoscedasticity, and normality.

• Assumption of linearity: The relationship between the independent and dependent variables is linear.

• Assumption of independence: The residuals are independent of each other.

• Assumption of homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.

• Assumption of normality: The residuals are normally distributed.

• Example: In a study examinin...read more