is true regarding the socket API?

Which statement is correct with regard to Polymorphism?

What is true regarding the User Datagram Protocol (UDP)?

Can the constructor of a class be made private?

Output of this program? public class Test { public static void main (String args[]) { int a, b; a = 2; b = 0; System.out.println (g (a, new int[] {b})); } public static int g (int a, int b[]) { b[0] = 2 * a; return b[0]; } }

Output of the following code? import java.util.*; public class Test { public static void main (String args[]) throws Exception { List l = new ArrayList (); int a = (int)(3 * 2.5); for (int i = 0; i < 10; i++) l.add (i); String s = 'Hello'; l.add (a, s.getBytes ('UTF-8')[2]); System.out.println (l); } }

The ____ method converts any object to a string.

The ____ class represents more serious errors from which your program usually cannot recover.

The ____ class provides the definitions for gui objects.

When you create an array of objects, each reference is assigned the value ____.

The expression ""Java "" + 1 + 2 + 3 evaluates to ________.