Collectors Static Method GroupingBy with One Argument Receives a Function

question 55

Multiple Choice

Collectors static method groupingBy with one argument receives a Function that classifies objects in the stream-the values returned by this function are used as the keys in a Map. The corresponding values, by default, are ________ containing the stream elements in a given category.

• A) Lists
• B) Arrays
• C) Strings
• D) Collectors

---

Definitions:

Break-even Point

The financial point at which total costs equal total revenue, meaning that the business is neither making a profit nor a loss.

Cost-volume-profit Analysis

An accounting technique used to determine how changes in costs and volume affect a company's operating income and net income.

Sales Mix

The relative distribution of sales among the various products available for sale.

Fixed and Variable Costs

Costs that remain constant regardless of the level of production or business activity (fixed) and costs that vary in direct proportion to changes in activity (variable).