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Author: Sushil Singh

Java 

How SubString works in java

December 2, 2019December 2, 2019 Sushil Singh 0 Comments java interview question, substring in java, substring memory leaks

Substring method from String class in Java is one of the most often methods. But if not used wisely it

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Rehashing HashMap
Java 

What is Rehashing and Load factor in HashMap?

November 23, 2019November 30, 2019 Sushil Singh 0 Comments hashmap load factor, HashMap rehashing, java

HashMap is a very popular data structures for storing key and value pairs and helps in solving many problems. Operations

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Java 

Java Lambda Expression with example

September 4, 2019September 4, 2019 Sushil Singh 0 Comments FunctionalInterface, java, java lambda expression

Lambda expression is a feature introduced in Java 8. Lambda expression replaces anonymous function that does’t have a name and

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Spring Batch Springs 

Spring Batch Read an XML file and write to Oracle Database

January 31, 2019 Sushil Singh 0 Comments read process and write, spring batch job

In this post we will show you, how to use Spring Batch to read an XML file with your ItemReader

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Interview FAQ Java 

How to find middle element of Linked List in one pass?

January 27, 2019January 28, 2019 Sushil Singh 1 Comment core java interview questions, java, linked list middle element

This is frequently asked question for Java developers, How to find middle element of LinkedList in one pass if size

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Java RxJava 

Introduction to RxJava : Reactive Programming in Java

January 27, 2019January 27, 2019 Sushil Singh 0 Comments java, reactive java, reactive java programming, RxJava

In our latest RxJava series, we will learn about reactive programming in Java. In this series, you will be introduced

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Java 

Java HashMap Implementation and Performance

September 14, 2018January 26, 2019 Sushil Singh 0 Comments java 8 features, java8 hashmap performance

In this article, we are going to explore more about the implementation and performance of HashMap. Before we look into the

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Java Priority Queue
Java 

Java Priority Queue Example (PriorityQueue)

August 19, 2018October 7, 2018 Sushil Singh 0 Comments PriorityQueue java

The elements of the priority queue are ordered according to their natural ordering, or by a Comparator provided at the

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Interview FAQ Java 

Best Core Java Interview Question and Answers

June 11, 2018October 7, 2018 Sushil Singh 0 Comments core java, core java interview questions, core java questions, java collection questions, multi threading questions

We have compiles a list of frequently asked questions during Java developer interviews. We have tried to cover all important

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Spring Batch Springs 

Introduction to Spring Batch

May 1, 2018October 7, 2018 Sushil Singh 0 Comments spring batch, spring batch architecture, spring batch introduction

What is Spring Batch? Spring Batch is a lightweight, comprehensive batch framework designed to enable the development of robust batch

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NEWS

How SubString works in java
Java 

How SubString works in java

December 2, 2019December 2, 2019 Sushil Singh 0

Substring method from String class in Java is one of the most often methods. But if not used wisely it

How to Implement Digital Signature ?
Java Technology 

How to Implement Digital Signature ?

November 23, 2019November 23, 2019 Swati Gour 0

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