Functional Ideas in OOP

Immutability, pure functions and lambdas, and where they beat a class.

0 of 20 answered

• Not triedAn object that cannot changeFoundation
• Not triedAre the two styles opposedFoundation
• Not triedMethod referencesFoundation
• Not triedThree operations that cover most loopsFoundation
• Not triedWhat makes a function pureFoundation
• Not triedA function taking a functionCore
• Not triedChanging an immutable objectCore
• Not triedCombining two functionsCore
• Not triedUsing Optional properlyCore
• Not triedWhat a lambda actually isCore
• Not triedWhat a pure function buysCore
• Not triedWhat immutability actually buysCore
• Not triedWhen a loop is betterCore
• Not triedEvery callback printed the same numberChallenge
• Not triedLambdas created in a loopChallenge
• Not triedMutating from inside a streamChallenge
• Not triedReplacing a call with its resultChallenge
• Not triedThe default value that remembered the last callChallenge
• Not triedWhat a lambda capturesChallenge
• Not triedWhen a stream actually runsChallenge