In Java 8, Predicate is a functional interface, which accepts an argument and returns a boolean. Usually, it used to apply in a filter for

To the point difference between the different map collection type The following are the important differences between TreeMap, HashMap and LinkedHashMap. Sr. No.

Encapsulation in Java or object-oriented programming language is a concept that enforces protecting variables, functions from outside of class, in order to better

1. fail-fast Iterators in Java As the name suggests fail-fast Iterators fail as soon as they realized that structure of Collection has been changed since iteration has

Java TreeSet class Java TreeSet class implements the Set interface that uses a tree for storage. It inherits AbstractSet class and implements the

What is Concurrent HashMap in Java The ConcurrentHashMap class provides a concurrent version of the standard HashMap. So its functionality is similar to

Important point to remember about the HashMap in java? A primitive type cannot be a key or a value of the HashMap. Only

Understand Set, lets see how HashSet works HashSet uses HashMap internally in Java.HashSet implements Set interface. It guarantees uniqueness. It is achieved by

Garbage collection in java is one of the advance topic. Java GC knowledge helps us in fine tuning our application runtime performance. Table