Topic	Replies	Views	Activity
Challenge 3: Playing with Cars and Engines! - doesn't this represent a "part-of" relationship? Courses challenge-3-playing-with-cars-and-engines__composition-aggregation-and-association__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative	3	40	January 14, 2022
Where can we find the solution to assessment exam? Courses learn-object-oriented-programming-in-java__educative , learn-object-oriented-programming-in-javascript__educative	3	124	October 27, 2021
This keyword in getter method in java Courses learn-java-from-scratch__educative , solution-review-calculate-the-students-total-marks__classes-and-objects__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative	1	54	October 6, 2021
Why use Abstract method makeSound() if the implementation differs? Courses abstract-classes-and-methods__abstract-classes-and-interfaces__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative , java-multithreading-for-senior-engineering-interviews__c-h-afzal	1	34	September 14, 2021
Why is there need of 2 different classes? Courses solution-review-square-numbers-and-return-their-sum__classes-and-objects__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative , data-structures-for-coding-interviews-in-java__coderust	1	37	September 9, 2021
Why does Abstract class has constructor while Interface don't in Java 8? Courses multiple-inheritance__abstract-classes-and-interfaces__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	37	August 27, 2021
The usage of "this." inside the methods Courses solution-review-implement-a-calculator-class__classes-and-objects__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	27	July 13, 2021
Is super() mandatory for a subclass? Courses super-keyword__inheritance__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative	1	84	July 8, 2020
Using super() and this() in a constructor Courses super-keyword__inheritance__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative	1	228	January 24, 2020

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