What Java Cannot do?

Java has no 8-bit unsigned byte , Java can't convert an int to a boolean value, Java has no first class methods, Java has no pass by reference semantics, etc. None of those would prevent you from getting things done, but they are nonetheless things that Java can't do that other languages can.
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What are some drawbacks of Java?

Current Limitations and Disadvantages of Java
  • Slow. Internet as a whole. ...
  • Environment limitations. Currently lacks: ...
  • Applet limitations imposed due to security model. Cannot access local data. ...
  • Uncertain status of security. ...
  • Programming language limitations. ...
  • Platform limitations. ...
  • General stability concerns.
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Can you do everything with Java?

You can do pretty much anything with Java. You can build application servers, desktop, and mobile applications, enterprise applications, and run unit tests. But of course, a programming language isn't everything you need to know to become a pro. Try to think of specific activity areas.
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What can Python do that Java Cannot?

Java is a statically typed and compiled language, and Python is a dynamically typed and interpreted language. This single difference makes Java faster at runtime and easier to debug, but Python is easier to use and easier to read.
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Can Java do everything C++ can?

This means that any (well written) Java code can easily perform as well as C++ in most trading situations. The shorter development time of Java also means that, in the real world, software written in Java can be more quickly adapted to changing hardware (or even novel trading strategies) than C++.
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Why Java Is So Hard To Learn



Can we make Java 100% OOP?

Despite the fact that it supports the four pillars of OOPs, Java is not 100% object oriented due to the following reasons: Existence of Primitive data types: It's data that's not an object and has no properties or any methods.
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What is the hardest programming language?

7 Hardest Programming Languages to Learn for FAANG Interviews
  • C++ C++ is an object-oriented programming language and is considered the fastest language out there. ...
  • Prolog. Prolog stands for Logic Programming. ...
  • LISP. LISP stands for List Processing. ...
  • Haskell. ...
  • Assembly Language (ASM) ...
  • Rust. ...
  • Esoteric Languages.
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Why do people use Java instead of Python?

Python and Java are two of the most popular and robust programming languages. Java is generally faster and more efficient than Python because it is a compiled language. As an interpreted language, Python has simpler, more concise syntax than Java.
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Why is Python so much better than Java?

Learning the language and testing programs is faster and easier in Python compared to Java primarily due to it boasting a more concise syntax. As you're entering lines, you enter them right into the terminal instead of having to compile the entire program before running it.
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How Python beat Java?

Interpreted Language – while it's not exactly hard to compile Java into a machine-readable language BEFORE it's executed, the fact that Python needs no compiling (i.e., it's executed directly at runtime by its interpreter) makes creating Python programs faster and easier to manage.
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Which is illegal in Java?

The IllegalArgumentException is an unchecked exception in Java that is thrown to indicate an illegal or unsuitable argument passed to a method. It is one of the most common exceptions that occur in Java.
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Do hackers use Java?

Java is also popular for data analytics, programming hardware devices, and using server-side technologies such as Apache. This reliable programming language is widely used for ethical hacking and tracking future risks.
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What is the hardest thing to learn in Java?

Generics

Generics are often mentioned by Java learners as one of the most difficult parts of Java for them to understand.
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What are the main errors in Java?

Different types of errors in Java : Syntax error, Runtime error, and Logical error.
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What is the most common error in Java?

“cannot find symbol”

This is a very common issue because all identifiers in Java need to be declared before they are used.
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Is Java enough to get a job?

Yes, of course. It's quite easy to get a job in the Java domain as a #fresher. Java offers loads of #career #opportunities, amazing careers, global recognition, and immense job satisfaction to aspirants. Well, how much a Java developer or programmer should know before beginning their career as a fresher is not certain.
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Which pays more Java or Python?

Salary and Jobs

In India, the average salary for a Java developer is ₹4,55,000 per annum(Source: Glassdoor) and for a Python developer, it is ₹4,46,000 per annum(Source: Glassdoor). So if you become flawless in Java or Python, you can easily start your career as a developer.
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How many days to learn Java?

The learning of Java mission is definitely possible to complete in 3 to 12 months, however, there are many nuances that we will discuss in this article. Here we'll try to answer the question “how to learn Java fast” as well.
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Why is Java so slow?

Java startup time is often much slower than many languages, including C, C++, Perl or Python, because many classes (and first of all classes from the platform Class libraries) must be loaded before being used.
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Is it difficult to learn Java?

While some coding languages are complex and challenging to learn, Java is not. Developers say the language is easy to pick up. Its syntax is straightforward, making it easy to understand, write, and maintain. With Java, developers can write once and run anywhere (WORA).
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Is C++ or Java harder?

Most programmers agree that Java is easier to learn first. Java's syntax is usually easier for new programmers to understand. The syntax requirements in C++ are very strict. It is difficult to write C++ in a readable way and making a single mistake can set off a chain of errors.
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What is the number 1 coding language?

As per the latest statistics, Python is the main coding language for around 80% of developers. The presence of extensive libraries in Python facilitates artificial intelligence, data science, and machine learning processes. Currently, Python is trending and can be regarded as the king of programming languages.
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What is the No 1 programming language?

JavaScript is the most common coding language in use today around the world.
...
What this language is used for:
  • Web development.
  • Game development.
  • Mobile apps.
  • Building web servers.
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What is the weirdest programming language?

LOLCODE is one of the top weirdest programming languages for programmers to use in the form of esoteric coding language. It was created under the influence of a meme lolcat based on elements of Internet slang.
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