Answer Posted / anuj pandey
hi everybody,
Remote Reference Layer is using in Remote method
invocation.when method of one machine execute in one
machine but run in another machine then it is calledremote
method invocation.In RMI there is four layers (application
layer,stub or skelton layer,remote referense
layer,transportation layer).stub is a client side java
object and skelton is java object of server side.
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how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
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