public static int sumOfSeries ( int n ) {
  int x ;
  if ( n % 2 == 0 ) x = ( n / 2 ) * ( n + 1 ) ;
  else x = ( ( n + 1 ) / 2 ) * n ;
  return x * x ;
}

public static int sumOfSeries ( int n ) { int x ; if ( n % 2 == 0 ) x = ( n / 2 ) * ( n + 1 ) ; else x = ( ( n + 1 ) / 2 ) * n ; return x * x ; }
(method_declaration (modifiers) type: (integral_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))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) right: (identifier))))) (return_statement (binary_expression left: (identifier) right: (identifier)))))