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Defines the undefined.

Java 8 Predicates

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

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Difference between TreeMap, HashMap, LinkedHashMap

To the point difference between the different map collection type The following are the important differences between TreeMap, HashMap and

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Custom linked list

public class LinkedList { Node head; class Node { int data; // Reference to next node Node next; // constructor

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Encapsulation

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

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Java 8 Predicates

February 5, 2021February 5, 2021

Difference between TreeMap, HashMap, LinkedHashMap

February 5, 2021February 5, 2021

Custom linked list

February 5, 2021February 5, 2021

Encapsulation

February 4, 2021February 4, 2021

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Java 8 Predicates

February 5, 2021February 5, 2021 By IspearHead(Abhi)

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

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Difference between TreeMap, HashMap, LinkedHashMap

February 5, 2021February 5, 2021 By IspearHead(Abhi)

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

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Custom linked list

February 5, 2021February 5, 2021 By IspearHead(Abhi)
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Encapsulation

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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What is fail-fast and fail-safe.

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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Tree Set

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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Concurrent HashMap and its implementation.

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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HashMap Internal Implementation

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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Java Set internal Implementation

February 4, 2021February 4, 2021 By IspearHead(Abhi)

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

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Garbage Collection in Java

February 1, 2021February 1, 2021 By IspearHead(Abhi)

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

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