13af6ab5fSopenharmony_ci# Classes cannot be used as objects 23af6ab5fSopenharmony_ci 33af6ab5fSopenharmony_ciRule ``arkts-no-classes-as-obj`` 43af6ab5fSopenharmony_ci 53af6ab5fSopenharmony_ci**Severity: error** 63af6ab5fSopenharmony_ci 73af6ab5fSopenharmony_ciArkTS does not support using classes as objects (assigning them to variables, 83af6ab5fSopenharmony_cietc.) because in ArkTS, a ``class`` declaration introduces a new type, 93af6ab5fSopenharmony_cinot a value. 103af6ab5fSopenharmony_ci 113af6ab5fSopenharmony_ci 123af6ab5fSopenharmony_ci## TypeScript 133af6ab5fSopenharmony_ci 143af6ab5fSopenharmony_ci 153af6ab5fSopenharmony_ci``` 163af6ab5fSopenharmony_ci 173af6ab5fSopenharmony_ci class C { 183af6ab5fSopenharmony_ci s: string = "" 193af6ab5fSopenharmony_ci n: number = 0 203af6ab5fSopenharmony_ci } 213af6ab5fSopenharmony_ci 223af6ab5fSopenharmony_ci let c = C 233af6ab5fSopenharmony_ci 243af6ab5fSopenharmony_ci``` 253af6ab5fSopenharmony_ci 263af6ab5fSopenharmony_ci 27