Java Collection Basic Questions Part 4

Java Collection Basic Questions Part 4

1) How HashMap works in Java ? HashMap works On principle of Hashing.but it is not as simple as it sounds. Hashing is the mechanism of as... 8 years ago

Interview Guess

8 years ago

1) How HashMap works in Java ? HashMap works On principle...

Internal Implementation of HashMap

Internal Implementation of HashMap

Hash Map is one of the most used collection, though it will be surprising to know that maps themselves are not collections because they don... 8 years ago

Interview Guess

8 years ago

Hash Map is one of the most used collection, though it...

JDBC Interview Questions

JDBC Interview Questions

1) What is JDBC? Java Database Connectivity (JDBC) is an application programming interface (API) for Java, which defines how a client m... 8 years ago

Interview Guess

8 years ago

1) What is JDBC? Java Database Connectivity (JDBC) is an application...

Java Collection Basic Questions Part 3

Java Collection Basic Questions Part 3

1) What is the importance of hashCode() and equals() methods? You must override hashCode() in every class that overrides equals(). Fail... 8 years ago

Interview Guess

8 years ago

1) What is the importance of hashCode() and equals() methods? You...

ExceptionHandling with MethodOverriding

ExceptionHandling with MethodOverriding

An overriding method (the method of child class) can throw any unchecked exceptions, regardless of whether the overridden method (method... 8 years ago

Interview Guess

8 years ago

An overriding method (the method of child class) can throw any...

Java Collection Basic Questions Part 2

Java Collection Basic Questions Part 2

The Java Collections API's provide Java developers with a set of classes and interfaces that makes it easier to handle collections of... 8 years ago

Interview Guess

8 years ago

The Java Collections API's provide Java developers with a set of...

Java Collection Basic Questions Part 1

Java Collection Basic Questions Part 1

1) What is Collection ? A collection — sometimes called a container — is simply an object that groups multiple elements into a single un... 8 years ago

Interview Guess

8 years ago

1) What is Collection ? A collection — sometimes called a...