What does endl mean in c++ and what is its function

The endl manipulator in C is used to output a newline character in the output stream and flush the buffer. Its functions include: outputting newlines, moving the cursor to the next line, flushing the buffer of the output stream, ensuring that the output is displayed immediately

in C endl

endl in C is a manipulator, used to output a newline character and refresh in the standard output stream (cout) buffer.

Function

endl The main functions are:

• Output newline character: It inserts a newline character into the output stream, causing subsequent output to start on the next line.
• Flush buffer: It flushes the buffer of the output stream, ensuring that the output is displayed on the screen immediately instead of waiting for the buffer to be full before outputting.

How to use

To use endl, just pass it as an output stream (cout) Just one part:

<code class="cpp">cout << "Hello world!" << endl;</code>

This will print "Hello world!" and move the cursor to the next line. The difference between

and other manipulators. The manipulator similar to

and endl is '\n', which also Output newlines. However, '\n' does not flush the buffer. This means that calling '\n' before outputting something else may cause the buffer to fill up, thus delaying output.

Best Practices

When writing code, it is generally recommended to use endl instead of '\n', Because endl ensures that the output appears on the screen immediately. However, in some cases, avoiding the use of endl may improve performance, since flushing the buffer is a costly operation.

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