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Advantages and disadvantages of java

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Advantages and disadvantages of java
Advantages and disadvantages of java

Advantages and disadvantages of java

  1. Simple and Small
  2. Familiar
  3. Compiled and Interpreted
  4. Platform Independent
  5. Object-oriented
  6. Robust
  7. Portable
  8. Secure
  9. Multi-Threaded
  10. High performance

1. Simple and Small

Java is small and simple language. Java is easier to code and simple to use. In java language constructs are easy to learn and use. Many features of C and C++ are not part of java For example: Java does not use pointers, preprocessor header files, go to statement and many others, operator overloading, multiple inheritance etc.

Java was designed to be easy for the professional programmer to learn and use effectively. Assuming that you have some programming experience so, you will not find java hard to master. If you already understand basic concepts of OOPs, Learning java is easier And if you are experienced C++ programmers, moving to java will require very little effort because java inherits the C/C++ syntax and many of the Object oriented features of C++.

2. Familiar

Familiar is another striking feature of java to make language look familiar to the existing programmers it was modelled on C and C++ language. Java uses many constructs of C and C++ and therefore, Java Code Looks like a C++ Code. In Fact, Java is a simplified version of C++.

3. Compiled & Interpreted

Usually a Computer language is either compile or interpreted. Java combines both these approaches, thus making java a two stage system. 1st, java compiler translates source code into ByteCode instructions. ByteCode are Not Machine instruction And therefore, in the 2nd stage. java interpreter generates machine code that can be directly executed by the machine that is running the java program we can thus say that java is both a compiled And an interpreted languages.

4. Platform Independent

Platform independent means the ability of the program to run on different platform without modification. Java programs can be easily moved from on PC system to another, Anywhere and Anytime. we can download a java applets from a remote computer onto our local system by internet And execute it locally.

5. Object Oriented

Java is a true Object oriented Language. Almost everything in java is an object. All program code and data reside within objects and classes. Java comes with an extensive set of classes, arranged in packages, that we can use in our programmes by inheritance. Java is most popular languages because it also supports code reusability, Maintainability etc. In Java, the data and methods together determine the state and the behaviour of an objects.

6. Robust

Java is a robust languages It provides many safeguards to ensure reliable code. Java frees to worry about causes of programming errors because java is a strictly typed languages it checks the code at compile time. It also check the code at run time. thus java has strict compile and run time checking of code which minimize programming errors. exceptional conditions like “Division by zero” or “File not Found” is often arrive. Java helps in the area by providing exception handling concept which captures series errors and eliminates any risk of crashing the system.

7. Portable

Various types of PC and Operating systems are used all over the world are connected through internet. for programmes to be downloaded, same way of generating portable executable code is needed. Protect you against malicious code that might try to invade your file system.

8. Secure

Security is an important features for java. Java security features ensure that the programs that run from web pages are safe. Java systems not only verify all memories access but also ensure that no viruses are communicated with an applet. The absence of pointers in java ensures that programmes cannot gain access to memory locations without proper authorization.

Java programs running on the web cannot open, read, write or delete files on the user system. Java was designed with security in mind. As java is intended to be used in network/distributor environments so it implements several security mechanisms to.

9. Multi-Threaded

Java uses a multi-threaded environment in which a bigger task can be converted into various threads and run separately. The main advantage of multi-threading is that we need not provide memory to every running thread.

10.High performance

Java is faster than other traditional interpreted programming languages because Java bytecode is “close” to native code. It is still a little bit slower than a compiled language (e.g., C++). Java is an interpreted language that is why it is slower than compiled languages, e.g., C, C++, etc.

Disadvantages of Java Programming languages.

  1. Performance
  2. Memory Consumption
  3. Cost
  4. Less machine Interactives
  5. Garbages collection

1. Performance

Java needs to be interpreted during runtime, which allows it to run on every operating system(OS), but it also makes it perform slower than the languages like C & C++ . On the other hand, the C++ program needs to be compiled on each operating system, directly to binary and therefore runs faster.

2. Memory Consumption

Java program consumes more memory since it runs on top of Java virtual machine(JVM).

3. Cost

Java programming language need higher processing and memory requirements. So, it need better hardware to run the Java program.

4. Less machine Interactives

Java lacks when it comes to interacting directly with machines, making it less viable for the software that needs to run quickly and run directly with the machine, as explicit pointers are also missing in Java.

5. Garbages collection

Java provides automatic garbage collection that cannot be controlled by the programmers. It doesn’t provide the methods like delete() and free() to free the memory. However, due to the various disadvantages, Java is one of the most used programming languages due to its advantages, making it platform-independent, portable, secure and a robust programming language.

History of Java language. Byte Code, Internet and Java.

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