CON-1881-Review-java-piscine-subjects-Fix-grammar-and-semantic-issues ( #2102 )
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* docs(java piscine): Review and update AdventureAbstract exercise
* docs(java piscine): Review AdventureCharacter subject
* docs(java piscine): Review AdventureInterface subject
* docs(java piscine): Review AdventureMonster subject
* docs(java piscine): review AdventureSorcerer subject
* docs(java piscine): Review AdventureTemplar subject
* docs(java piscine): Review AdventureUtils subject
* docs(java piscine): Review AdventureWeapon subject
* docs(java piscine): Review ComputeArray subject
* docs(java piscine): Review FileSearch subject
* docs(java piscine): Review FormatDate subject
* docs(java piscine): Review KeepTheChange subject
* docs(java piscine): Review ListEquals subject
* docs(java piscine): Review MapInventory subject
* docs(java piscine): Review Observer subject
* docs(java piscine): Review Palindrome subject
* docs(java piscine): Review RegexReplace subject
* docs(java piscine): Review Singleton subject
* docs(java piscine): Review StarConstructors subject
* docs(java piscine): Review StarGalaxy subject
* docs(java piscine): Review StarMass subject
* docs(java piscine): Review StarOverride subject
* docs(java piscine): Review StarPlanet subject
* docs(java piscine): Review StarProperties subject
* docs(java piscine): Review StarStatic subject
* docs(java piscine): Review StarUtils subject
* docs(java piscine): Review StreamCollect subject
* docs(java piscine): Review StreamMap subject
* docs(java piscine): Review StreamReduce subject
* docs(java piscine): Review StringConcat subject
* docs(java piscine): Review StringContains subject
* docs(java piscine): Review Wedding subject
* docs(java piscine): Review WeddingComplex subject
* docs(java piscine): Change a part of RegexReplace subject
* docs(java piscine): Update AdventureAbstract subject
* docs(java piscine): Fix wrong naming parameter -> attribute
* docs(java piscine): Remove empty lines
* docs(java piscine): Remove ## from line