Hello #connections I fullfilled this concepts in Core java.

1.introduction of core java

2.main method , variables , data types.

3.operators , condition loop , pattern programming.

4.patStrings.tern , programming.

5.classes & object, JVM , Data area , method.

6.method overloading , identifiers , Gussergame project.

7.Array in java.

8.Strings.

9.Strings part-2(Mutable String)

10.Encapsulation And Constructor in java

11.Static key word in java.

12.Inheritance.

13.polymorphism and Has-A Realationship in java .

14.class Aggregation , composition , abstract ,key.

15.Abstraction and Inheritance in java.

16.functional interface , lambada expression , package in java.

17.Exception Handling

18.wrapper classes and Boxing and Unboxing in java.

19.Multi Threading Introduction.

20.Multi Threading

21.Var-Args And Multithreading(Producer and cosum).

22.collections

23.Generics , comparable VS Compractor interface.

24.Stream Api and Date&Time Api in java.

25.Enum ,Annotations in java .

26.Inner class ,Anonymous Object in java.

27.file Handling in java.

28.Serialization And Deserialization in java.

29.Cloneable And Different Ways of creating an Object.

30.SQL And JDBC API

31.JDBC

32.JDBC Prepared statement ,date and Time operation

33.JDBC Advance.

34.Advance JDBC AND Servlets Introduction

35.Servlet in java (JEE)

36.Servlet in java (JEE)-2.