static boolean isValid ( int count [ ] , int k ) {
  int val = 0 ;
  for ( int i = 0 ;
  i < MAX_CHARS ;
  i ++ ) {
    if ( count [ i ] > 0 ) {
      val ++ ;
    }
  }
  return ( k >= val ) ;
}

static boolean isValid ( int count [ ] , int k ) { int val = 0 ; for ( int i = 0 ; i < MAX_CHARS ; i ++ ) { if ( count [ i ] > 0 ) { val ++ ; } } return ( k >= val ) ; }
(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: (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 (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (update_expression (identifier))))))) (return_statement (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))