Given the code fragment:
public static void main (String [ ] args) throws IOException {
BufferedReader br = new BufferedReader (new InputStremReader (System.in));
System.out.print ("Enter GDP: ");
//line 1
}
Which code fragment, when inserted at line 1, enables the code to read the GDP from the user?
To enable the code to read an integer value such as GDP from the user input, using BufferedReader, you need to read the input as a string and then convert it to an integer. The correct method to read a line of text is br.readLine(), and you can parse this string to an integer using Integer.parseInt(). Hence, the correct code fragment is int GDP = Integer.parseInt(br.readLine());. The other options are incorrect because br.read() reads a single character, and br.nextInt() and br.next() methods do not exist for BufferedReader.
Answer is A
int GDP = Integer.parseInt(br.readLine());
A is correct, tested
A is correct. C and D don't compile and B reads single char and not whole value of input.
readLine() not readline()
Answer is B. A is incorrect, in code was used br.readline() not br.readLine so it is incorrect.
Correct answer is A. Tested.