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Java Input Output - Quiz

Each question is worth one point. Select the best answer or answers for each question.
 
1. The top-level, abstract stream classes in Java are
Please select the best answer.
  A. ReadStream and WriteStream
  B. InputStream and OutputStream
  C. Field and Stream

2. Instances of class DataInputStream can
Please select the best answer.
  A. Read only generic bytes from a resource
  B. Read specific, simple data types from a resource
  C. Read only generic char from a resource


3. The standard input is represented by the variable
Please select the best answer.
  A. System.in
  B. standardInput
  C. System.keyboard


Your score is 0.0
B
B
A