static boolean checkForElement ( int array [ ] , int n ) {
  Set < Integer > s = new LinkedHashSet < > ( ) ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    sum += array [ i ] ;
    s . add ( array [ i ] ) ;
  }
  if ( sum % 2 == 0 && s . contains ( sum / 2 ) && ( sum / 2 ) == s . stream ( ) . skip ( s . size ( ) - 1 ) . findFirst ( ) . get ( ) ) {
    return true ;
  }
  else {
    return false ;
  }
}

static boolean checkForElement ( int array [ ] , int n ) { Set < Integer > s = new LinkedHashSet < > ( ) ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) { sum += array [ i ] ; s . add ( array [ i ] ) ; } if ( sum % 2 == 0 && s . contains ( sum / 2 ) && ( sum / 2 ) == s . stream ( ) . skip ( s . size ( ) - 1 ) . findFirst ( ) . get ( ) ) { return true ; } else { return false ; } }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) 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 (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (method_invocation object: (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))) consequence: (block (return_statement (true))) alternative: (block (return_statement (false))))))