System class is defined in ................. java.io package java.util package java.lang package None of these java.awt package TRUE ANSWER : ? YOUR ANSWER : ?
Which of these classes defined in java.io and used for file-handling are abstract?A. InputStreamB. PrintStreamC. ReaderD. FileInputStreamE. FileWriter A, B and E B and D Only A Only C A and C TRUE ANSWER : ? YOUR ANSWER : ?