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... 23:16

Interview Guess

23:16

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...

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... 02:31

Interview Guess

02:31

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...

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... 06:39

Interview Guess

06:39

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

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... 23:40

Interview Guess

23:40

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

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... 02:16

Interview Guess

02:16

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

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... 09:36

Interview Guess

09:36

The Java Collections API's provide Java developers with a set of classes and interfaces that makes it easier to handle collections 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... 10:25

Interview Guess

10:25

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

Multithreading Interview Questions

Multithreading Interview Questions

1) What is the difference between Process and Thread? A process is a self contained execution environment and it can be seen as a program... 09:16

Interview Guess

09:16

1) What is the difference between Process and Thread? A process is a self contained execution environment and it can be seen as a program...

Why wait(), notify(), notifyAll() must be called inside a synchronized method/block

Why wait(), notify(), notifyAll() must be called inside a synchronized method/block

We use wait(), notify(), or notifyAll() method mostly for inter-thread communication in Java. One thread is waiting after checking a condi... 09:26

Interview Guess

09:26

We use wait(), notify(), or notifyAll() method mostly for inter-thread communication in Java. One thread is waiting after checking a condi...

How does clone method work

How does clone method work

java.lang.Object provides default implementation of clone() method in Java. It's declared as protected and native in Object class, so i... 10:49

Interview Guess

10:49

java.lang.Object provides default implementation of clone() method in Java. It's declared as protected and native in Object class, so i...

String Interview Questions

String Interview Questions

1) What is string constant pool? String objects are most used data objects in Java. Hence, java has a special arrangement to store t... 08:00

Interview Guess

08:00

1) What is string constant pool? String objects are most used data objects in Java. Hence, java has a special arrangement to store t...