What are the characteristics of Java?


Well-known member
Feb 25, 2015
What is Java?

Java is understood as a kind of object-oriented programming language (OOP) and class-based. Unlike normal programming languages, instead of compiling source code into machine code or directly translating source code when running, Java is designed to compile source code into bytecode. After that, the bytecode will be implemented by the runtime environment.

What is the understanding of Java and which language Java runs is also of great interest today? In the past, Java was rated slower than those that translated directly into machine code like C and C ++. However, now, thanks to the technology of "on-site compilation" - Just time compilation, this gap has quickly narrowed. Moreover, Java is also capable of running faster than the most popular interpreting languages such as Python, Perl, PHP.

Characteristics of Java

Object-oriented: In Java, everything is considered an Object and can be expanded to Java because it is completely based on the Object model.

Simple: Java is designed to make it easier for learners to acquire knowledge. So, if you understand what basic Java is, you can grasp this programming language very quickly when you study.

Neutral architecture: Java compiler can create an object file format with neutral architecture. At the same time, Java also makes the compiled code work on multiple processors with the presence of the Java runtime system.

Independent platform: Unlike many other programming languages such as C or C ++, Java when compiled, it does not directly compile to a specific computer on any platform. Instead, it will use platform-independent bytecodes. This bytecode will be distributed on the web and translated with the Virtual Machine tool.

Security: When you learn what Java is, you will know about Java's great security. Thanks to its safety features, Java can allow the development of systems that are completely free from viruses or forgeries.

Portable: This is a pretty prominent feature of Java because it is a neutral knowledge and does not depend on implementing any of the main features when talking about Java's Portable. Therefore, you can include Java's bytecode on any of your platforms.

Multithreading: You can write programs for the purpose of performing multiple tasks at the same time thanks to Java's multithreaded feature. This feature also allows developers to build interactive applications that function smoothly.

Interpretation: Java's Bytecode is compiled directly to the original platform, and it is not stored anywhere.

Powerful: What is Java and why does Java have such strong characteristics? The answer is because Java is always trying to eliminate all the failures by emphasizing and mainly showing compile time errors as well as runtime checks.

High performance: Java has this feature because it uses Just - In - Time compiler, so it provides high performance and fast error detection.

Flexibility: Java is considered more dynamic than other programming languages like C or C ++ and is designed with easy adaptability in a developing environment. Therefore, Java programs can carry a huge amount of run-time information.

Where is Java used?

Android application
If you want to understand what Java is and where to use it, you can easily refer to the Android application. You just need to open the phone using the Android operating system, and any applications you see are products written entirely in the Java programming language.

Web application
In the field of e-commerce and web applications, Java always occupies an extremely large market share. Therefore, the term Java is what has become familiar to people who operate in these areas. Even many major agencies, education, health, defense, insurance or many other departments all use the web built with Java object-oriented programming language.

Big Data technology
Currently, Hadoop and other large data technologies all prefer to use Java in one way or another. While it is not a dominant and dominant name in this area, Java is considered to have great potential to achieve higher and higher market share if Hadoop or ElasticSearch is strong.

Application in financial services server
In the financial services industry, many people are no longer strangers to the concept of Java. Because Java has an important position in this industry. Many large global investment banks such as Goldman Sachs, Citigroup, Barclays, Standard Charted and some other influential banks also use Java to write front office electronic trading systems and back offices.


New member
Feb 21, 2018
As i know java has automatic memory management and the presence of classes that allow you to perform HTTP requests and process responses

Servers Base

May 10, 2019
Java is considered to be more dynamic than C or C++ since it is designed to adapt to an evolving environment. Java programs can carry an extensive amount of run-time information that can be used to verify and resolve accesses to objects at run-time.
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