1. Write EBNF descriptions for the following: (4 points in total) Java do-while statement (1 point) Please, use the following syntax, and assume that EBNF grammars for boolean_expression (bool-expr), a single statement(statmnt) are given. Following is the syntax of a do...while loop - do { 11 Statements }while(Boolean_expression); C switch statement (3 points) Please, use the following syntax, and assume that EBNF grammars for expression (expr), a single statement(statmnt), constant-expression (const-expr) are given. The syntax for a switch statement in C programming language is as follows - switch(expression) { case constant-expression : statement(s); break; /* optional */ case constant-expression : statement(s); break; /* optional */ 1* you can have any number of case statements */ default : 1* Optional */ statement(s)