You want to create a Kotlin class Vector that supports both addition (+) and multiplication (*) operators. How should you design these operators as functions to keep your code clean and flexible?

hard📝 Application Q15 of 15

Kotlin - Operators and Expressions

You want to create a Kotlin class Vector that supports both addition (+) and multiplication (*) operators. How should you design these operators as functions to keep your code clean and flexible?

ACreate separate classes for addition and multiplication

BUse global functions without 'operator' keyword

CDefine 'operator fun plus' and 'operator fun times' inside Vector class

DOverride '+' and '*' symbols directly without functions

Step-by-Step Solution

Solution:

Step 1: Understand operator overloading in Kotlin
Kotlin requires operator functions inside the class or as extensions with the 'operator' keyword.
Step 2: Choose the clean design
Defining 'operator fun plus' and 'operator fun times' inside Vector class keeps code organized and flexible.
Final Answer:
Define 'operator fun plus' and 'operator fun times' inside Vector class -> Option C
Quick Check:
Operator functions inside class = clean, flexible [OK]

Quick Trick: Put operator functions inside class with 'operator' keyword [OK]

Common Mistakes:

MISTAKES

Trying to override symbols directly
Omitting 'operator' keyword
Using global functions without operator keyword

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More Kotlin Quizzes

You want to create a Kotlin class Vector that supports both addition (+) and multiplication (*) operators. How should you design these operators as functions to keep your code clean and flexible?

Step 1: Understand operator overloading in Kotlin

Step 2: Choose the clean design

Final Answer:

Quick Check:

Want More Practice?