HERE Technologies Lead Engineer Interview Questions and Answers

Java 8 introduced new features like lambda expressions, functional interfaces, and streams. Functional interfaces have a single abstract method. Runnable is a functional interface for running a task in a separate thread, while Callable is a functional interface that can return a result and throw checked exceptions.

• Java 8 introduced lambda expressions for writing concise code.

• Functional interfaces have a single abstract...read more

Mutable objects in Python can be created using various methods such as assignment, copy, or using built-in functions like dict() or list().

• Assignment operator can be used to create mutable objects, for example: x = [1, 2, 3]

• Copying an existing mutable object using the copy() method or slicing can create a new mutable object

• Using built-in functions like dict() or list() to create mutable objects

A map can be created using geographic data and software tools to visualize locations and their relationships.

• Gather geographic data such as coordinates, boundaries, and landmarks

• Use mapping software like Google Maps, ArcGIS, or Mapbox to input and visualize the data

• Customize the map with labels, colors, and markers to enhance readability

• Consider the audience and purpose of the map to determine the level of detail and i