How to create React project using vs code
Solution :- Step -1 :- Firstly open vs code and make sure you have installed node is and npm in your system. step- 2 :- Now go to View option and select “Terminal” option step-3 :- now in Terminal write …
Category: Education
What is the Difference between Collection and Collections ?
Ans :- the main difference between Collection and Collections :- 1.Collection<E> 2.Collections 1.Collection<E> => Collection <E> is an interface from java.util package and which is the root of Java Collection<E> Framework. 2.Collections : => “Collections” is a Class from java.util …
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Difference between Vector and Arraylist in Java
In Java ArrayList and Vector classes both are implements List Interface, and both are using resizable and growable Array for internal data structure. Differences with respect to : Methods: Thread Safety: Performance: Legacy: Increment Size:
ExecutorService in Java
The Java ExecutorService is an interface which is present inside java.util.concurrent package. The ExecutorService interface is a subinterface of the Executor interface. It allows us to execute tasks asynchronously on threads. It allows us to submit tasks for execution. With …
How to Create SpringBoot Project using sts ide ?
Ans :- Open sts ->File -> new ->Spring boot starter project->Add dependency -> Finish
How to get Count of Users Starts with “A” where user have two fields Id and name
Solution:- User.java package v1; public class User { } ************************************************************************* Test.java package v1; import java.util.ArrayList;import java.util.List; public class Test { } *************************************************************************