String is the predefined ?

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Which collection class associates values witch keys, and orders the keys according to their natural order ?

A. java.util.LinkedList B. java.util.TreeMap C. java.util.SortedSet D. java.util.HashSet...

Which method of java is invoked by JVM to reclaim the inaccessible memory location ?

A. reclaim() method B. finalize() method C. final() method D. both b and c...

Which method can’t be overidden ?

A. println B. final C. super D. static...

Automatic type conversion in Java takes place when________________?

A. Two type are compatible and size of destination type is equal of source type. B. Two type are compatible and size of destination type is larger than source type. C. Two type are compatible and size of destination type is shorter than source type. D. All of the above...

The class java.sql.Timestamp is associated with _____________?

A. java.util.Date B. java.util.Time C. java.sql.Time D. None of above...