Description
1. Write a program to convert the decimal number into hexadecimal number by using
stack concept. –(NOTE: use built-in ArrayList method ONLY)
Example:
145210 = 5AC16
2. Write a program to evaluate a postfix arithmetic expression. You MUST use User
Defined Type(UDT) Linked List
Example: 2 6 * 3 – / 5 5 * +
Result : 28
