Java Language Keywords

Java Language Keywords

Here's a list of keywords in the Java programming language. You cannot use any of the following as identifiers in your programs. The keywords const and goto are reserved, even though they are not currently used. true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.

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

^*   not used ^**   added in 1.2 ^***   added in 1.4 ^****   added in 5.0