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Conditional Beans in spring boot application

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Introduction As per spring-boot documentation , auto-configuration is implemented with standard @Configuration classes. Additional @Condit...

How to Change the Default Server Port in Spring-boot

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Introduction Spring Boot initial project (which is generated from spring starter ) project comes with an embedded server i.e tomcat. The de...

How to disable banner in spring boot

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Introduction: When your spring-boot application starts, you should see something similar to the following output (Banner): . ____ ...

Why String and wrapper classes are immutable and final in java

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Introduction: Immutable objects are, objects whose state (data) cannot change after construction. String and Wrapper classes in java are...

Why do we need to override the equals and hashcode methods in java

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Introduction: When we need to use our object in the hashing based collections, we must override both equals() and hashCode() methods. ...

Copying object in java

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Let us Assume an object- obj1 , that contains two objects, containedObj1 and containedObj2 . shallow copying: shallow copying creates ...

Differences and Similarities between HashSet TreeSet and LinkedHashSet

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Introduction: TreeSet, LinkedHashSet and HashSet are implementation of Set interface from that, they follows contract of Set interface...

Configuring two way SSL in Tomcat

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Setting up Tomcat to provide self-signed SSL certificates allowing secure client/server communication and relatively easy to set up.  Jav...

How to re-load properties files without restarting server in java

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Re-load properties files without restarting server in Java: Restart an application-server (servlet-container) means restart all the web-a...

Remove duplicate elements in an Array

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package com.test.blogger; /** * @author EducateJava */ public class RemoveDuplicatesFromArray { public static void main(final String[]...