null object

常見例句

雙語例句

• All non-NULL object UUIDs are also exported.
  還會導(dǎo)出所有非 NULL 對象 UUID。
• Unfortunately, many designers have still not learnt that the special NULL pointer or null object is an equally bad idea.
  遺憾的是，許多設(shè)計者并沒有認識到空指針或空對象帶來的危害。
• When the output is complete, the stream is flushed by writing a NULL object to the client stream and loop awaiting the next client.
  輸出完成后，通過向客戶端流寫入一個 NULL 對象，而且循環(huán)等待下一個客戶端，從而刷新流。
返回 null object