Question 1

Which line completes this code fragment so it creates a text file called "mychars.txt" and writes the characters 'A', 'B', and 'C' into the file?
_____________________
Fw)write('A');
Fw)write('B');
Fw)write('C');

Accepted Answer

A)  PrintWriter fw = new PrintWriter("mychars.txt"); 
B)  FileOutputStream fw = new FileOutputStream("mychars.txt"); 
C)  File fw = new File("mychars.txt"); 
D)  PrintStream fw = new PrintStream("mychars.txt");

Question 2

What is the highest value for a signed (negative and positive) byte?

Accepted Answer

A)  127 
B)  128 
C)  255 
D)  256

Exam 19: Streams and Binary Inputoutput

Which line completes this code fragment so it creates a text file called "mychars.txt" and writes the characters 'A', 'B', and 'C' into the file? _____________________ Fw) write('A') ; Fw) write('B') ; Fw) write('C') ;

What is the highest value for a signed (negative and positive) byte?