USER INPUT USING BUFFEREDREADER AND SCANNER | JAVA

Publicado em: 18 Setembro 2021
no canal de: Technical Jahanvi

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1
Synchronous
Scanner is not syncronous in nature and should be used only in single threaded case.
BufferReader is syncronous in nature. During multithreading environment, BufferReader should be used.
2
Buffer Memory
Scanner has little buffer of 1 KB char buffer.
BufferReader has large buffer of 8KB byte Buffer as compared to Scanner.
3
Processing Speed
Scanner is bit slower as it need to parse data as well.
BufferReader is faster than Scanner as it only reads a character stream.
4
Methods
Scanner has methods like nextInt(), nextShort() etc.
BufferReader has methods like parseInt(), parseShort() etc.
5
Read Line
Scanner has method nextLine() to read a line.
BufferReader has method readLine() to read a line.
Example of Scanner vs BufferReader

Java Integer parseInt (String s) Method. This method parses the String argument as a signed decimal integer object. ... It returns the integer value which is represented by the argument in a decimal integer.

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