Mini Java is my final assignment of course , written in C++, compiled by MSVC 2010.

Mini Java is a subset of Java. The meaning of a MiniJava program is given by its meaning as a Java program. Overloading is not allowed in MiniJava. The MiniJava statement System.out.println( ... ); can only print integers. The MiniJava expression e.length only applies to expressions of type int [].

Several clippings were made comparing to Java.

• No overloading supporting.
• Only one method of main class in a single file, and must titled "public static void main(String[])".
• Only one output "System.out.println( int )" supported.
• No interface.
• Only variables and methods be decleared in class.
• Variables only hava 4 types. int, bool, int array, object. All variables are auto.
• Only public methods supported. Method must return a value.
• 6 kinds of statement: block, assignment statement, array assignment statement, print statement, if, which.
• 9 kinds of expression: and, compare, plus, minus, times, array lookup, array length, message sending, primary expression.
• No constructor. Initiallize by empety parameter.
• No comments.
• No variable initialization during declearation.
• No internal class.

For precise definition of Mini Java, refer to BNF