Write a program for calculator to accept an expression as a string in which the operands and operator are separated by zero or more spaces. For ex: 3+4 and 3 + 4 are acceptable expressions .

Set of laboratory tasks for course of system software (4 semester)

The objective of this practical is to learn the general principles involved in constructing source code parsers. This will be done using JavaCC (the Java Compiler Compiler – javacc.java.net). JavaCC is complex, and this prac will not cover all aspects of it in depth.

SPPU 2019-Pattern Computer Engineering Sem-VII Laboratory Practicals.