System class is defined in ................. java.lang package java.util package java.awt package None of these java.io 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 and C Only A A, B and E B and D Only C TRUE ANSWER : ? YOUR ANSWER : ?