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 { // 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 / /" you can have any number of case statements */ default : /* Optional */ statement(s)