static void printPattern ( int n ) {
  int j , k = 0 ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    if ( i % 2 != 0 ) {
      for ( j = k + 1 ;
      j < k + i ;
      j ++ ) System . out . print ( j + "*" ) ;
      System . out . println ( j ++ ) ;
      k = j ;
    }
    else {
      k = k + i - 1 ;
      for ( j = k ;
      j > k - i + 1 ;
      j -- ) System . out . print ( j + "*" ) ;
      System . out . println ( j ) ;
    }
  }
}

static void printPattern ( int n ) { int j , k = 0 ; for ( int i = 1 ; i <= n ; i ++ ) { if ( i % 2 != 0 ) { for ( j = k + 1 ; j < k + i ; j ++ ) System . out . print ( j + " * " ) ; System . out . println ( j ++ ) ; k = j ; } else { k = k + i - 1 ; for ( j = k ; j > k - i + 1 ; j -- ) System . out . print ( j + " * " ) ; System . out . println ( j ) ; } } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (for_statement init: (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier))) update: (update_expression (identifier)) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (update_expression (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (identifier)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) (for_statement init: (assignment_expression left: (identifier) right: (identifier)) condition: (binary_expression left: (identifier) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))))))