Author Question: Which statement is true about BufferedWriters (Read 81 times)

laurencescou · **on:** Aug 30, 2020

Question 1

Which of the following messages passed to the String str could throw a StringIndexOutOfBoundsException?
◦ str.length( )
◦ str.charAt(2);
◦ str.replace('a', 'A');
◦ str.equals(str);
◦ any of these could throw a StringIndexOutOfBoundsException

Question 2

Which statement is true about BufferedWriters
◦ BufferedWriters are used because they improve runtime efficiency
◦ BufferedWriters are used because they improve compile time efficiency
◦ BufferedWriters can be used with input streams as well as with output streams
◦ using a BufferedWriter obviates the necessity for catching IOExceptions
◦ none of these

juwms · **Reply #1 on:** Aug 30, 2020

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