java-fundamentals-exercises

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This pull request is created in order to discuss the completed solution of the exercises. Feel free to ask any questions by adding comments to the PR ➕

tboychuk

Create new hello-threads exercise

4

**The main goal of this exercise is to introduce threads and let people get their hands dirty with concurrent code.** It should be an **entry-level exercise** that does not require...

tboychuk

Tests are passing if the size is always 0.

azarot

I believe it's pretty self-explanatory. The first step would be to do the research in order to understand the tree details and implement the tree. **Once we have a raw...

tboychuk

https://github.com/bobocode-projects/java-fundamentals-course/blob/8a799b109e29ebad9e13854a9e04c3843bf68a62/1-0-java-basics/1-3-1-crazy-generics/src/main/java/com/bobocode/basics/CrazyGenerics.java#L95

ahromov

5-0-2-stream-sum-of-squares exercise in branch completed doesn't contain an answer.

2

5-0-2-stream-sum-of-squares exercise in branch completed doesn't contain an answer.

AndriiTsepukh

Better answers

Sjuice1

The broken code: ``` public static boolean hasDuplicates(List entities, T targetEntity) { return entities.stream() .map(BaseEntity::getUuid) .distinct() .count() != entities.size(); } ``` This code doesn't check if the target entity is...

obaibula

The corrupted code: ``` @Override public boolean contains(T element) { requireNonNull(element); Node current = head; if(!isEmpty()){ while (current.next != null){ if (current.element.equals(element)){ return true; } current = current.next; } }...

obaibula

The next broken code is accepted: ``` @Override public T remove(int index) { checkIndex(index, size); if (index == 0) { return removeHead(); } else if (index == size - 1)...

obaibula