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Core Java - Interview Questions and Answers for 'Input stream' - 2 question(s) found - Order By Newest

 Q1. What is Scanner class used for ? when was it introduced in Java ?Core Java
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Ans. Scanner class introduced in Java 1.5 for reading Data Stream from the imput device. Previously we used to write code to read a input using DataInputStream. After reading the stream , we can convert into respective data type using in.next() as String ,in.nextInt() as integer, in.nextDouble() as Double etc

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   Like         Discuss         Correct / Improve     java   java5   scanner   file io   file input   data input stream  file handling      basic


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 Q2. What is System.in in Java ?Core Java2016-09-02 08:24:11

Ans. It is an InputSream which is usually connected to the keyboard input of console program.

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   Like         Discuss         Correct / Improve     System.in  Input Stream  Input Output


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  What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
  Which class is used to read streams of raw bytes from a file?
  Which is the Parent class of FileInputStream ?
  Name few Buffered IO classes and interfaces ?



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