$2($a$)$ Write a java program for employee details using class and Encapsulation to get

empid, name, salary, PF and HRA. Find total salary for $\text{'}n\text{'}$ employees.

Note: get the values at run time with corresponding objects. Write the sample

output with all the operations.

OR

$($b$)$ Classify how many ways to create a thread. Write all the types with suitable example

with output.