Collectors Static Method GroupingBy with Two Arguments Receives a Function

question 11

Multiple Choice

Collectors static method groupingBy with two arguments receives a Function that classifies the objects in the stream and another Collector (known as the ________ Collector) .

• A) stream
• B) downstream
• C) grouping stream
• D) upsteam

---

Definitions:

Contract Rescission

The legal act of canceling a contract and returning the parties involved to their positions before the contract was signed.

Mistake Of Value

A legal concept referring to an error made by one or both parties at the time of contract formation, concerning the value of the goods or services to be exchanged.

European Courts

Judicial institutions operating within Europe, including both national courts of individual sovereign countries and transnational courts such as the European Court of Justice.

Promissory Estoppel

A legal principle that prevents a party from withdrawing a promise made to another, when the latter has reasonably relied on that promise to their detriment.