Skip to main content

What is java 8

What is java 8?
 Java 8  is a major release of java development.
 Java 8 initial version  was released on 18 march 2014.
 Java 8 changes are done both at JVM and compiler level.
 Java 8 provide following feature:
             1)support functional  programing language.
2)new java script engine.
3)new date time api.
4)new streaming api.
5) Lambda expression.
6)  support Default method implementation.

7) support  Method reference.

Comments

Popular posts from this blog

Java OOP Concepts

Java OOP Concepts Java OOP Concepts:       Java is not fully Object Oriented Programing Languages Because java Provide Primitive Data types Like int,string etc.             Java Provide Following OOPS: Object Class  Inheritance  Polymorphism Abstraction  Encapsulation 1.Object    -Object is nothing but just Blueprint Of Class Means it contain Properties And Behaviour Of Class.     example: real time Example is People, pen. 2.Class   -Class Contain Methods and Properties. so we can say that Collection of Object is nothing But Class. 3.Inheritance   -Inheritance is Process  or Scenario  for accessing Parent class Properties .Means access Properties and Method of Parent class into Sub Class. 4.Polymorphism    -In simple Word Polymorphism is way to Perform one Task in Multiple Dif...

Factory Pattern

Factory Pattern        Factory Pattern is way to create object in such Way using Common Interface  without exposing the creation logic Simple Example       Example: step  1.  creation of interface.     public interface BANK {        double getIntrest();   } step  2.  implementation of interface for BOB. public class BOB implements BANK {     @Override     public double getIntrest() {         return 8.7;     } } step 3.  implementation of interface for SBI . public class SBI implements BANK{     @Override     public double getIntrest() {         return 5.7;     }      } step 4.  implementation of interface for UNION  . public class UNION  implements BANK{     ...

HashMap in Java

    -What is HashMap:       A HashMap has value and  key. store value based on Key. HasMap implements the Map interface and extends AbstractMap class.       Allow only one null as key and can contain   multiple null value.       Also Conatin Order of element.         HasMap----extend---->AbstractMap----implement---->Map                 Now we see how to Put and Retrive value from HashMap.                Example.             import java.util.*;               class MapTest{                        public static void main(String args[]){     HashMap<Integer,String> map=new HashMap<Integer,String>();     map.put(1,"vjp");   map.put(...