Questions

$1$ Name the eight primitive data types in Java. Then, briefly define a reference data type with an example.

Marks $1$

$2$ What will be the result of the following expression in Java?

Marks $1$

$5**(8+\frac{3-2}{2})-4\%3$

$3$ String Comparison: Consider the following strings:

Marks $3$

String $a=$ Hello, $b=$ hello, $c=$ HELLO;

What will be the results of the following comparisons?

a$)$ a$.$compare To$($b$)$

b$)$ c$.$equals$($a$)$

c$)$ b$.$equalsIgnoreCase$($c$)$

d$)$ a$.$compare $To(c)$

$4$ What is the output of the following Java code fragment? $($Assume other parts of the code are correct and the code runs successfully$)$

Marks $4$

public class Main $\{$

public static void main$($String $[]$ args$)\{$

int num $1=80$;

int num$2=3$;

double num $3=64\mathrm{.}0$;

String text $=$ "something";

System.out.println$($num$1+$ num$2)$;

System.out.printlin$($num$2+"+($int$)$ Math.sqrt$($num$3))$;

System.out. println$($text$.$substring $(0,8),$ length $())$;

$\}$

$\}$