public static void main ( String [ ] args ) {
  int n = 55 ;
  if ( isTriangular ( n ) ) System . out . print ( "The number " + "is a triangular number" ) ;
  else System . out . print ( "The number" + " is NOT a triangular number" ) ;
}

public static void main ( String [ ] args ) { int n = 55 ; if ( isTriangular ( n ) ) System . out . print ( " The ▁ number ▁ " + " is ▁ a ▁ triangular ▁ number " ) ; else System . out . print ( " The ▁ number " + " ▁ is ▁ NOT ▁ a ▁ triangular ▁ number " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (string_literal))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (string_literal))))))))