static void midpoint ( int x1 , int x2 , int y1 , int y2 ) {
  System . out . print ( ( x1 + x2 ) / 2 + " , " + ( y1 + y2 ) / 2 ) ;
}

static void midpoint ( int x1 , int x2 , int y1 , int y2 ) { System . out . print ( ( x1 + x2 ) / 2 + " ▁ , ▁ " + ( y1 + y2 ) / 2 ) ; }
(method_declaration (modifiers) type: (void_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)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)) right: (string_literal)) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal))))))))