1,java keyword List (alphabetical order of 50 groups): Abstract, Assert, Boolean, break, Byte, case, catch, char, class, const (reserved keyword), continue, Defaul T, do, double, else, enum, extends, final, finally, float, for, goto (reserved keyword), if, implements, import, instanceof, int, inte Rface, long, native, new, package, private, protected, public, return, short, static, STRICTFP, super, switch, synchronize D, this, throw, throws, transient, try, void, volatile, while2, reserved word list (alphabetical order of 14 groups), Java reserved word refers to the existing Java version has not been used, But later versions may be used as keywords: byvalue, cast, false, future, generic, inner, operator, outer, rest, True, Var, goto (reserved keyword), const (reserved key Word), Nulljava's keywords have special meanings for Java compilers, they are used to represent a data type, or to represent the structure of a program, and the keyword cannot be used as a variable name, method name, class name, package name, or parameter.
True False is a Boolean variable value that the compiler assigns to a specific meaning, but not a keyword
Java keywords and reserved words
