In this post under Java Collections, I will explain with example how to create synchronized map. Below is the complete code for your reference Main class 1 package core.collection; 2 3 import java.util.Collections; 4 import java.util.HashMap; 5 import java.util.Map; 6 7 public class SyncMapDemo { 8 public static void main(String args []) { 9 Map<Integer,…… Continue reading Creating a synchronized map
Creating a synchronized collection
In this post under Java Collections, I will show with example how to create a synchronized collection. Below is the complete main code for your reference. 1 package core.collection; 2 3 import java.util.ArrayList; 4 import java.util.Collection; 5 import java.util.Collections; 6 import java.util.List; 7 8 public class SyncCollectionDemo { 9 public static void main(String[] args) {…… Continue reading Creating a synchronized collection
Collection to Enumeration conversion
In this post under Java Collections, I will show with example how to convert a collection to Enumeration. Below is the complete code for your reference. Main class 1 package core.collection; 2 3 import java.util.Collections; 4 import java.util.Enumeration; 5 import java.util.List; 6 import java.util.ArrayList; 7 8 public class ColToEnumDemo { 9 public static void main(String…… Continue reading Collection to Enumeration conversion
Copying elements from one list to another list
In this post under Java Collections, I will show with example how to copy elements from one list to another. Below is the complete code for your reference. Main class 1 package core.collection; 2 3 import java.util.ArrayList; 4 import java.util.Collections; 5 import java.util.List; 6 7 public class ListCopyDemo { 8 public static void main(String []…… Continue reading Copying elements from one list to another list
Adding a new attribute for an ldap entry
In this post under Java LDAP, I will show with example how to add a new attribute to an existing ldap entry. For our example I will add a “telephoneNumber” attribute to an ldap entry identified by dn. I will show two approaches through which we can add a new attribute to an existing ldap…… Continue reading Adding a new attribute for an ldap entry
Retrieving a user defined Java object as part of GET request
In this post under Spring WebClient, I show with example how to receive a user defined Java object as a response of GET request. In all my previous post under Spring WebClient, I used to received data of type String class as part of GET request. Now in this example I will receive a user…… Continue reading Retrieving a user defined Java object as part of GET request
Sending a user defined Java object as POST request
In this post under Spring WebClient, I will show with example how to send a user defined object as part of POST request. In all my previous post under Spring WebClient, I used to send data of type String class as part of POST request. Now in this example I will send a user defined…… Continue reading Sending a user defined Java object as POST request
Modifying an existing attribute of a ldap entry
In this post under Java LDAP, I will show with example how to modify an existing attribute of an ldap entry. For our example I will modify the “description” attribute of an ldap entry identified by dn. I will show two approaches through which we can modify the attribute of an ldap entry. Below is…… Continue reading Modifying an existing attribute of a ldap entry
Ordering Application Event listener
In my previous post under Spring Core, I showed you guys, how to listed to application events, how to create and publish our own application event, and how to associate multiple event listeners to one particular event. In this post under Spring Core, I will show with example how to order multiple application event listener…… Continue reading Ordering Application Event listener
Checking whether password contains username or not
In this post under Passay, I will show with example the purpose and how to use “UsernameRule” class. When a user register on a website they come up with username and password. They tend to create a password that is easy to remember for example using DOB as password, nick name as password etc. Sometimes…… Continue reading Checking whether password contains username or not
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