What is the difference between synchronous and asynchronous JavaScrip
• Synchronous JavaScript: Code executes line-by-line, blocking the execution until the current operation completes.
• Asynchronous JavaScript: Allows execution to continue without waiting for previous operations to complete (e.g., setTimeout(), Promises, and async/await).
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java pgm for reads a file(text file) and removes all the spaces then the text and write this back into the same file. e.g: (Input) _______ chennai is fourth biggest city in india. (output) _______ chennaiisfourthbiggestcityinindia.
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