static boolean areDifferentSign ( int a , int b ) {
  return ( ( a < 0 && b > 0 ) || ( a > 0 && b < 0 ) ) ;
}

static boolean areDifferentSign ( int a , int b ) { return ( ( a < 0 && b > 0 ) || ( a > 0 && b < 0 ) ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))