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:
Answer: Type cmd in Your Search Bar Then Press Enter and write this command. java hyphen version => java -version First write java hyphen version(java -version) then press enter. Now You can see which version you have installed Note: If …
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 …
Solution:- User.java package v1; public class User { } ************************************************************************* Test.java package v1; import java.util.ArrayList;import java.util.List; public class Test { } *************************************************************************
JAVA is a programming Language and a platform. Java is a High Level, Robust, Secure programming language. It was developed by sun Microsystems in the year of 1995.James Gosling is known as father of java. before that its names was …