Beginners Core Java Tutorial from W3schools(Start to End)

Core Java Tutorial For Beginners From W3Schools

Core Java tutorial is for Beginners who wants to learn java from basics. Here you learn everything from installing JDK to Variable to operator to Access modifier. This tutorial will help you learn Java Programming in a simple and effective manner so you won't face any difficulty learning Java.

Basic Introductory concepts:

History of Java, Versions, Releases, principles
What is Java and why need to choose it, installed..JDK, JRE

OOPS Concepts
Abstraction, Abstract class
Encapsulation
Polymorphism
Object class its methods

public static void main(String[ ] args)) method usage, Rules

Variable Types
Identifiers and Keywords
Import, Static Import
Packages
Constructor in Java, Types, Examples, Purpose

Var-Args - Variable Argument

Static keyword on variables, method, class, blocks
Static initializers and Initializer blocks
Static block Importance

String Conversions and concatenation Example in Java | Interview Questions

Final Classes

Control Statements:

Control statements are used to control the flow of program execution. The following types have its own significance.

    If, If Else, nested Condition
    For loop, Examples, Nested For Loop 
    Enhanced For loop, Examples 
    While Loop
    Switch Statement
    Java Break statement
    Continue Statement and it's in Label loop
   

Collection API:

Java Collection means a single unit of objects. Java Collection framework provides many interfaces (Set, List, Queue, Deque) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, TreeSet).

Introduction to Java Collection over Arrays    
Introduction to Generics

• How To Sort Arraylist In Java – Collections.Sort

Autoboxing and Unboxing Conversion with Examples

• Java 8 Lambda Expressions with examples and Rules

Example Programs:

To understand a programming language you must practice the programs, this way you can learn the language faster. This page includes java programs on

Sum of two numbers in Java
Convert Java String to Integer or int
java.util.Date with Example

Troubleshoot:

Java troubleshooting techniques for various diagnostic and monitoring tools, diagnosing memory leaks, and identifying performance issues.Provides guidelines for setting up both Java and a Java application for better troubleshooting techniques. Further describes the troubleshooting 

Java 8 - ClassFormatException: Invalid byte tag in constant pool: 15 solution
Java was started but returned exit code=13 | Can not start Eclipse - Solution

• Adding HTTP Strict Transport Security(HSTS) in java, Tomcat

Core java Tutorial, W3schools java tutorial, java oops concepts, java control statements, java collection, core java free tutorial for beginners, advanced programmers.

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