java - How does the IDE verifies the syntax errors simultaneously on the go? -

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I'm new to the programming era so that this question might look something strange but I doubt:

When I write a program using a text-editor, when I compile the code, I would get syntax errors such as inserting semicolon or closing curly braces () at the end of the statement, etc.) and some other reason the numerical type And the range for everyone ....

But when I am writing a piece of code in my eclipse IDE, it generates in error, if any, while I am writing code.

My question is how does the IDE do this operation, and what type of mechanism (datastructure, etc.) does it use to accomplish this task?

Each IDE uses its own method specifically eclipse javac Uses the "patch" compiler instead of IDE This compiler is saved once by default (by default), so when you are typing compiles files some syntax errors The ability to compile the code with the unique and eclipse compiler There are specializations. It actually compiles what you can do and throw exceptions if you do not compile the code during your execution. It is very convenient during development


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