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

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Definitions:

Retention Ratio

A financial metric indicating the percentage of a company's income retained and reinvested after dividends are paid to shareholders.

Debt-Equity Ratio

A ratio indicating the finance strategy of mixing shareholders' equity and debt for asset acquisition.

Profit Margin

A financial performance metric that indicates the percentage of revenue that remains as profit after accounting for costs and expenses.

Sustainable Rate Of Growth

The maximum rate at which a company can grow its sales and earnings without increasing its financial leverage or debt.