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In java Keyword is a word, It contain it's own reorganization as well as meaningful functionality In Java totally 50 keywords are there In that 50 keywords, used keywords are 48 and Unused keywords are 2(goto, const) Unused keywords always con · The var keyword was introduced in Java 10 Type inference is used in var keyword in which it detects automatically the datatype of a variable based on the surrounding context The below examples explain where var is used and also where you can't use it 1 We can declare any datatype with the var keyword27/8/18 · Keywords or Reserved words are the words in a language that are used for some internal process or represent some predefined actions These words are therefore not allowed to use as a variable names or objects Doing this will result into a compile time error Java also contains a list of reserved words or keywords Static Keyword In Java All Scenarios Making Java Easy To Learn What is java keywords