What is flush for Java?

The flush() method of PrintWriter Class in Java is used to flush the stream. By flushing the stream, it means to clear the stream of any element that may be or maybe not inside the stream. It neither accepts any parameter nor returns any value. … Return Value: This method do not returns any value.

What does a flush do?

Flushes the output stream and forces any buffered output bytes to be written out. The general contract of flush is that calling it is an indication that, if any bytes previously written have been buffered by the implementation of the output stream, such bytes should immediately be written to their intended destination.

What are flush () and close () used for?

flush() writes the content of the buffer to the destination and makes the buffer empty for further data to store but it does not closes the stream permanently. That means you can still write some more data to the stream. But close() closes the stream permanently.

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Is it OK not to flush pee?

“Urine is normally sterile as a body fluid. Even if you have a urinary tract infection with bacteria in your urine it would be inactivated with the chlorine levels in the public water supply,” he said. “So there’s really no known disease transmission with urine left un-flushed in the toilet.”

Is it OK to leave pee in the toilet?

It’s totally safe to let your pee sit in the bowl, BTW

“Unless you have a urinary tract infection, your urine is sterile. Even if it isn’t, municipal water contains residual chlorine that can kill pathogens introduced into it.”

Do we need to close OutputStream in Java?

close() method closes this output stream and releases any system resources associated with this stream. A closed stream cannot perform output operations and cannot be reopened. … The close method of OutputStream does nothing.

What does BufferedWriter flush do?

flush() method flushes the characters from a write buffer to the character or byte stream as an intended destination.

Do we need to close Filewriter in Java?

It is not necessary to close it, because BufferedWriter takes care of closing the writer it wraps. Yes writer. close() closes underlying writers/streams as well. It is better to close each open stream individually as all are separate stream.

What is serialization method?

Serialization is the process of converting an object into a stream of bytes to store the object or transmit it to memory, a database, or a file. Its main purpose is to save the state of an object in order to be able to recreate it when needed. The reverse process is called deserialization.

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What is BufferedWriter in Java?

Java BufferedWriter class is used to provide buffering for Writer instances. It makes the performance fast. It inherits Writer class. The buffering characters are used for providing the efficient writing of single arrays, characters, and strings.

What is Bufferreader class in Java?

The BufferedReader class of Java is used to read the stream of characters from the specified source (character-input stream). … This class provides a method named read() and readLine() which reads and returns the character and next line from the source (respectively) and returns them.

Why do guys shake after they pee?

When you remove your undergarments to urinate, this exposes previously warm private parts to a lower room temperature or cold air. This can make you feel colder, and as a result, your body might shiver to bring warmth back to your body.

What happens if you never flush the toilet?

Toilet plume isn’t just gross: It’s bad for your health. The droplets could contain traces of harmful bacteria like Shigella, E coli, C difficile — all of which are found in the poop and vomit of infected people and can survive for months, according to the paper.

What happens if I don’t flush the toilet?

Leaving a toilet without flushing can hurt more than the homeowner. Although drinking from any toilet exposes the dog to potentially dangerous bacteria and stagnant water, water that is tainted with urine or fecal matter can contaminate a pet inside and out.

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