Java keywordes Java has a set of keywords that are reserved words that cannot be used as variables, methods, classes, or any other identifiers: Java Keywords Java Keywords Sno Keyword Description 1 abstract Used to declare abstract classes and methods. 2 assert Used to assert the truth of a boolean expression. 3 boolean Data type […]
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Variables “A variable is an identifier whose value will be changed during executing of the program”. Rules for writing variables: 1. First letter must be an alphabet. 2. The length of the variable should not exceed more than 32 characters. 3. No special symbols are allowed except underscore. 4. No keywords should use as variable
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METHODS A method represents a group of statements to perform a task, methods are written always inside a class. A method has two parts. 1. Method header/proto type 2. Method body Method header/proto type: Syntax: Return type method Name (parameters) { } Method header/proto type contains method names, parameters / arguments to receive data from
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