Скачать или смотреть What is var in Java? Should we use var in Java? Is var in Java same as var in JavaScript?

Local variables allow methods to compute significant results by storing intermediate values. Unlike a field, a local variable is declared, initialized, and also used in the same block.

Using var can make code more short without abnegating readability, and in some cases it can improve readability by removing redundancy.
What is var in Java?
Should we use var in Java?
Is var in Java same as var in JavaScript?
Is it possible to make var final?
Is it good to use var or not?
Where var can be used?
Is it necessary to have an initializer on the right-hand? Why?
Is it possible to use var with null?
Is it possible to use var with a diamond on the right-hand side?

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