The Java Virtual Machine
Furthermore, many Java programs are meant to be downloaded over a network....
The 50 Java keywords have specific meanings within the language, so you can’t use the keywords in this table for anything other than their function within Java. And, you can't make up new meanings for the words false, null, and true, either. But for technical reasons, those three words aren't called keywords. Whatever!
Note: The boldface words in the “What It Does” column are other keywords.
Keyword What It Does
abstract Indicates that the details of a class, a method, or an interface are given elsewhere in the code.
assert Tests the truth of a condition that the programmer believes is true.
boolean Indicates that a value is either true or false, in the Java sense.
break Jumps out of a loop or ...