Java Quiz

What decides thread priority?

• Process

• Process scheduler

• Thread

• Thread scheduler

Which of these packages contain all the collection classes?

• java.lang

• java.util

• java.net

• java.awt

Thread priority in Java is?

• Integer

• Float

• double

• long

What is Collection in Java?

• A group of objects

• A group of classes

• A group of interfaces

• None of the mentioned

Which of this interface is not a part of Java's collection framework?

• List

• Set

• SortedMap

• SortedList

Which of the following is not a valid statement in JDBC?

• Statement

• PreparedStatement

• QueryStatement

• CallableStatement

What requires less resources?

• Thread

• Process

• Thread and Process

• Neither Thread nor Process

Which of these methods deletes all the elements from invoking collection?

• clear()

• reset()

• delete()

• refresh()

Which of the following is used to call stored procedure?

• Statement

• PreparedStatement

• CallableStatment

• CalledStatement

Which of the following is advantage of using JDBC connection pool?

• Slow performance

• Using more memory

• Using less memory

• Better performance