Boolean Expression is an expression that evaluates TRUE or FALSE. 3.2.1 Relational operators and equal operators Java have four relational operators: less than <, greater than>, less than or equal to <=, greater than or equal to> =. Java has 2 equality operators: equal == and inequal! 3.2.2 Logical Operators Java provide three logical operators "and" (and) &&, "or" (or) || and "not" !. Logical operators && and || use "Short-Circuit Evaluation", see the book 45.
