static boolean checkSubarraySum ( int arr [ ] , int n , int k , int sum ) {
  for ( int i = 0 ;
  i < n - k + 1 ;
  i ++ ) {
    int current_sum = 0 ;
    for ( int j = 0 ;
    j < k ;
    j ++ ) current_sum = current_sum + arr [ i + j ] ;
    if ( current_sum == sum ) return true ;
  }
  return false ;
}

static boolean checkSubarraySum ( int arr [ ] , int n , int k , int sum ) { for ( int i = 0 ; i < n - k + 1 ; i ++ ) { int current_sum = 0 ; for ( int j = 0 ; j < k ; j ++ ) current_sum = current_sum + arr [ i + j ] ; if ( current_sum == sum ) return true ; } 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)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (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: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (return_statement (true))))) (return_statement (false))))