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Java Keywords

By manish in java on August 18, 2018.

Java contains 53 reserved words out of which 50 are keywords out of 50 only 48 keywords are used and two keywords const and goto are not in use and 3 are literals values true, false and null.

These reserved words can not be used as identifiers.

Java Keywords: keyword is a reserved word that has a predefined meaning in the language, therefore, we cannot use keywords as names as a class, methods, variable name or as any other identifier. Keywords of java are:

`abstract`	`continue`	`for`	`new`	`switch`
`assert`	`default`	`goto`	`package`	`synchronized`
`boolean`	`do`	`if`	`private`	`this`
`break`	`double`	`implements`	`protected`	`throw`
`byte`	`else`	`import`	`public`	`throws`
`case`	`enum`	`instanceof`	`return`	`transient`
`catch`	`extends`	`int`	`short`	`try`
`char`	`final`	`interface`	`static`	`void`
`class`	`finally`	`long`	`strictfp`	`volatile`
`const`	`float`	`native`	`super`	`while`

const and goto are not in use
strictfp added in jdk 1.2
enum added in jdk 1.5

Reference

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Java Keywords

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