There are 128 set of different characters used in a Java program.

The default value of a boolean variable is:

1. False
2. 0
3. false
4. True

Consider the following program segment in which the statements are jumbled, choose the correct order of statements to swap two variables using the third variable.

void swap(int a, int b)
{	
  a = b;      → (1)
  b = t;      → (2)
  int t = 0;  → (3)
  t = a;      → (4)
}

1. (1) (2) (3) (4)
2. (3) (4) (1) (2)
3. (1) (3) (4) (2)
4. (2) (1) (4) (3)

The number of bytes occupied by a character array of four rows and three columns are:

1. 12
2. 24
3. 96
4. 48