Below is the java program which shows how to detect type of object in an ArrayList containing different types of Object.
Output :
Mike String
999 Integer
99.0 Double
Thu Mar 21 17:31:29 IST 2013 Date
true Boolean
java.lang.Object@3e25a5 String
null null
Output :
Mike String
999 Integer
99.0 Double
Thu Mar 21 17:31:29 IST 2013 Date
true Boolean
java.lang.Object@3e25a5 String
null null