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[Advanced-java] instanceof & casting


  • From: Son-Lam.Vu@xxxxxxxxxxxxxxx (Vu Son-Lam)
  • Subject: [Advanced-java] instanceof & casting
  • Date: Thu, 29 Mar 2001 17:06:03 +0200

Hi dears,
what dou you thing obout instanceof & casting?
I have jdk 1.2.2 and NT  and receive very good performance with the 'trouble
issue' like the following output from my applet.

instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 10
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 0
instanceof time  (in Millis senconds):  0
casting time (in Millis senconds): 10

must I beware of unnecesary of instanceof & casting?
Best regards
Vu, Sonlam