The string tokenizer class allows an application to break a string into tokens. This means to separate the input string into short bits that represent the basic entities in the expression. JbcParser is math expression parser library for Java.
2 A grammar needs to be constructed.
Since Java integer types cannot contain fractions each calculation involving one. The result of executing this math expression in Java is 72 rounding of calculations affect the result. For an XML parser tokens could be. Each type of token is given a unique code and the input is reduced to a series of token codes.