Comparison of open-source SSO implementations

                              Comparison of open-source SSO implementations  Aerobase Keycloak WSO2 Identity Server Gluu CAS OpenAM Shibboleth IdP OpenID Connect/OAuth support yes yes yes yes yes yes third-party Multi-factor...

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Thread Pool-Executor Service

 Implementing Executor Service in Java    When you want to get the data from the various services and make the service calls concurrently.     ExecutorService executors = Executors.newFixedThreadPool(2);  //creats the thread pool of size 2    ...

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Sort HashMap By Keys

                   Sorting HashMap  by Keys  using TreeMap and Comparator import java.util.Comparator;import java.util.HashMap;import java.util.Map;import java.util.TreeMap;import com.kanth.bo.Employee;public class HashMapSortKeys...

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Sort HashMap By Values

                  Sort the HashMap by Values using comperator and Entry Object import java.util.ArrayList;import java.util.Collections;import java.util.Comparator;import java.util.HashMap;import java.util.LinkedHashMap;import java.util.List;import...

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Stream API

      Java 8 Stream API  Basic Examples.         Let us understand the few ways  where we can use java 8 streams to solve the problems. github link: https://github.com/RamakanthB/Java8Lamda-Streams import java.util.Arrays; import...

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Joining the strings in java 8

 Everyone will experience the scenario where we need to join the strings in java . These are the few ways we can do String concatenation in java 8.  Lets say we have 5 strings we want to make it 1 string with ',' separator .    String finalval = String.join(",", "First",...

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Singleton Design Pattern in Java

singleton is a way to restrict only one object per a class       There are multiple ways of creating a singleton object   1) eager initialized singleton        public class MySingelton1 { private final static ...

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