Q1:Write a java program to add 4 different printers in a hashset. What will happen when you add duplicate elements

Q2:

Write a java program to design an array list (myarr) then add the following to your program.

Add five elements (names) to the list.

Add two elements to index 0 and index 1.

Remove two elements without using its index.

Remove an element using its index.

Print the final array list.

Bluj JAVA