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Home » Java » Java Tutorial for Advanced Learning, Buzzwords, Parts of Java

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Java Tutorial for Advanced Learning, Buzzwords, Parts of Java

Posted on August 13, 2021September 5, 2022 By GeekCer Education
Java Learning Tutorial

A Java tutorial with explanations and examples is designed for use by professionals, job seekers, and beginners. Java is a platform and programming language that is totally independent of any particular operating system. It helps in the creation of a variety of apps, including gaming applications, desktop applications, online applications, and mobile applications.

The best part about Java is that it did away with the challenging concepts of the C and C++ programming languages. Consider the Pointers. Since pointers were too complicated for beginners and experienced programmers, they eliminated the idea of pointers.

Java may be used as an internet programming language as well as a stand-alone general-purpose programming language. Applications are general-purpose programming, while applets are programs designed specifically for the Internet.

Java is a compact and easy-to-learn programming language. It is built in such a manner that any coder may quickly learn it and create the most efficient applications possible without having any prior knowledge of computer programming.

In the Java Tutorial section we will learn the Java Buzzwords, what is platform, parts of java, Java Vs C++ and Java Vs JavaScript.

Table of Contents

  • Why the name Java?
  • Java Buzzwords
  • What is Platform?
  • Types of Java Applications
  • Prerequisite of Java Learning Tutorial
  • What is Java Virtual Machine (JVM)?
  • What are the Parts of Java?
  • How does a Java program work internally?
  • Difference between Java and C++ in Java Tutorial
  • Difference between Java and JavaScript in Java Tutorial

Why the name Java?

Java was formerly known as Oak. James Gosling and his colleagues thought that consuming high-quality coffee would help their language advance when language was still being developed. Java, as we all know, is the name of an island that exports coffee all over the world. Thereafter they fixed the Java as the name of this language.

Java Buzzwords

Java programming is easy to learn, much like almost any other language. Even if you just understand a few main concepts, you can program it and use it. Let’s look at the buzzwords used in Java, which are as follows.

  • Distributed
  • Dynamic
  • High performance
  • Multithreaded
  • Object oriented
  • Portable
  • Robust
  • Secure and Simple

What is Platform?

A platform is the software or hardware environment in which a program is executed. Since Java is a software-only platform that runs on top of other hardware-based platforms.

Types of Java Applications

There are following types of Java applications:

  • Enterprise Application
  • Web Application
  • Mobile Application

Prerequisite of Java Learning Tutorial

The JavaSoft people maintained almost same syntax of C & C++ in Java so you can learn java If you have the basic knowledge of C/C++ programming language.

What is Java Virtual Machine (JVM)?

About all the Java Virtual Machine (JVM) is the most important part of the Java. The JVM is at the center of the whole Java program execution process. It takes a .class file and converts each byte code instruction into a machine language instruction that the CPU can interpret.

First of all, we write the source code in text files with .java extension and then javac compiler compiles source files into .class files.

Java 8 popular interview questions and answers

What are the Parts of Java?

Sun Microsystems has split Java into three sections. In these three sections of Java, there are extra places to meet various demands.

  • Enterprise Edition: It provides business solutions on a network.
  • Standard Edition: It contains the basic core Java classes and we use this edition to develop applets and applications.
  • Micro Edition : We use this edition to develop application for portable devices, such as phone.

Java Learning Tutorial for Geeks

How does a Java program work internally?

Java program are partially translated into Java bytecode during compilation, rather than being totally translated into machine language. These programs can run on any operating system and processor as they are platform independent. A Java program is only compiled once, but each time it is run, it is interpreted.

Java bytecode provides the ability to compile a Java program once and run it on any platform.

Difference between Java and C++ in Java Tutorial

Object-oriented programming languages include Java and C++. In many ways, the Java and C++ languages are fundamentally different.

#JavaC++
1Java generates byte code.C++ compiles to machine language.
2Java is a cross-platform programming language.The operating system has an effect on C++.
3Java code is portable, meaning it can run on any platform.Code written in C++ is not portable. It has to be compiled separately for each platform.
4There isn’t any backward compatibility with earlier languages. C/C++ has an influence on the syntax.Except in a few exceptional cases, C source code is compatible.
5Once written, run anytime and everywhere.Once you’ve written anything, you have to compile it anywhere.
6The object-oriented programming model is supported by Java.Both procedural and object-oriented programming are supported in C++.
7Multiple inheritance is not supported in Java.Multiple inheritance is supported in C++.
8The primitive and object types in Java are different.Between primitive and object types, C++ is consistent.
9Java does not support unions.C++ supports unions.
10Only method overloading is permitted in Java. Operator overloading is not permitted.Methods and operators in C++ can be overloaded. This is referred to as static polymorphism.
11System.in is used for input and System.out is used for output in Java.In C++, input is handled by cin, while output is handled by cout.
12Garbage collection and automatic object management.C++ It allows you to handle objects manually by using the new and delete.
13Java supports documentation comment (e.g, /**.. */) for source code.It doesn’t support documentation comment for source code.
14Classes contain all functions and data, and package scopes are provided.External functions and data are allowed, and global and namespace scopes are accessible.

Difference between Java and JavaScript in Java Tutorial

When developing server-side applications, we frequently use Java, however when creating client scripts or applications, we typically use JavaScript.

Following are the key differences between Java and JavaScript:

#JavaJavaScript
1Java is an object-oriented programming language.JavaScript is an object-based scripting language.
2If you write a web application in Java, you may execute it in a browser or in a virtual machine.Whereas you can run JavaScript code only on browser.
3Java is strongly typed language.But JavaScript is loosely typed language.
4Java is a standalone language.You can place JavaScript code within a web page or you can also integrate the code with HTML content.
5Java supports multithreading. So multiple threads can work on one object.JavaScript does not support multithreading.
6You have to compile the code before using it.JavaScript code is all-text.
7Java supports constructor.In the case of JavaScript, a constructor is a function and there are no rules for constructors in JavaScript like in Java.
8Java has a file extension “.java”. JavaScript has file extension “.js”.
9There is a thread based approach to achieve concurrency in Java.But JavaScript has event based approach to achieve concurrency.
Java Vs JavaScript

You can use Java on cell phones, mobile phones, and personal digital assistants in addition to Desktop computers. The Java programming language also makes it simple to develop application software that connects to and communicates with a variety of electrical devices.

In conclusion, In Java Learning Tutorials, you have learned the basics about Java, Platform, Java Virtual Machine. And you also learned about the difference between Java and C++, Difference Between Java and JavaScript, in Java Learning Tutorials.

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Java Tags:Desktop Application, How do I start learning Java?, Java Vs JavaScript, Mobile Application, Multithreading, Object Oriented, Platform, Platform Independent, Real-World Application, Software Development, Web Application

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