Chap 2

Question 1

what does the append mean in
FileWriter(String fileName, boolean append)

Answer 1

the boolean value represents whether data should be appended to the end the file or not.

If false, the file will be overwritten

Question 2

Difference between FIleWriter and PrintWriter?

Answer 2

FileWriter is used for writing character data to a file, while PrintWriter provides more convenient methods for writing different types of data to a file.

Question 3

What is a literal?

Answer 3

A literal is a value that is written into the code of a program.

Question 4

What is the value of z after the following statements have been executed?

int x = 4, y= 33;
double z;
z = (double) (y / x);

Answer 4

8.0