Problem 17
What is the use of following JDK tools? (a) javap (c) jdb (b) javadoc (d) javah
Problem 18
Explain the major uses of jar tools available in Java.
Problem 19
Write a program to print 'Happy New Year XYZ.' The \(X Y Z\) is a year; it should be given interactively through the keyboard.
Problem 25
What is a constant? How it is classified?
Problem 26
What is the difference between character constant and string constant?
Problem 28
Which of the following will compile without warning or error? (a) float \(\mathrm{f}=2.7\) (b) char \(c=x^{\prime}\) (c) byte \(\mathrm{B}=257\) (d) boolean bo = null; (e) int count \(=0\) (f) boolean flag \(=\) true
