static int disc ( int a , int b , int c ) {
  int dis = ( int ) Math . pow ( b , 2 ) - ( 4 * a * c ) ;
  return dis ;
}

static int disc ( int a , int b , int c ) { int dis = ( int ) Math . pow ( b , 2 ) - ( 4 * a * c ) ; return dis ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)))))) (return_statement (identifier))))