56. Which of these methods are used to read in from file?

1. 1. scan()

   
   
   

   2. get()

   
   
   

   3. readFileInput()

   
   
   

   4. read()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Each time read() is called, it reads a single byte from the file and returns the byte as an integer value. read() returns -1 when the end of the file is encountered.

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57. Which of these exception is thrown in cases when the file specified for writing is not found?

1. 1. FileInputException

   
   
   

   2. FileNotFoundException

   
   
   

   3. FileException

   
   
   

   4. IOException

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   In cases when the file specified is not found, then FileNotFoundException is thrown by java run-time system, earlier versions of java used to throw IOException but after Java 2.0 they throw FileNotFoundException.

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58. Which of these class contains the methods used to write in a file?

1. 1. BUfferedOutputStream

   
   
   

   2. FileBufferStream

   
   
   

   3. FileInputStream

   
   
   

   4. FileStream

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   FileInputStream

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59. Which of these class is used to read from a file?

1. 1. BufferedFileInputStream

   
   
   

   2. FileInputStream

   
   
   

   3. BufferedInputStream

   
   
   

   4. InputStream

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   FileInputStream

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60. Which of these classes are used by character streams output operations?

1. 1. InputOutputStream

   
   
   

   2. InputStream

   
   
   

   3. Writer

   
   
   

   4. ReadStream

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Character streams uses Writer and Reader classes for input & output operations.

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