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How to read file in Java

Reading file is a very common scenario. There are different ways to read a file in Java using java’s specific reading classes and also usin...

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org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException

Error while starting server with maven spring project. In my case I was using tomcat7 and after adding my war file to server when i was tr...
Java- Serialization

Serialization is a mechanism provided by java which can be used to represent an object in byte format, which include object’s data...
Difference between Hashmap & Hashtable

hashmap vs hashtable hashmap and hashtable both implement java.util.map interface which means both are implementing same methods but wit...
How to add hyperlink in a Document in DocuSign

Follow below mentioned steps to add a string as hyperlink to a document in while using Docusign to produce them Create a datafield to your...
Difference between equals() method and == operator in comparing Java objects

In Java, two objects can be compared using the equals() method and == operator. == operator is used to check if the references to two obj...
Hazelcast with python

Assumption: You are aware of, how to start hazelcast if not check here. In today’s era python is must know language. It’s being used widel...
Oops Concept

Oops stand for Object-oriented programming, which represents concept of Objects. It is used to for designing modular, reusable s...
Why is String immutable ?

Immutable classes are classes whose objects can't be modified once they are created. 1. Immutable String ensures that there is no se...
Abstract & Interface

Abstract An abstract class is a class that is declared abstract —it may or may not include abstract methods. Abstract classes cannot b...
Static in Java

Static is an important keyword of java. We need to understand “static” well in order to make our java programming effective. The runtime s...

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