write each question in java this 3 questions are separated

4. Write a Java program that prints the number of odd numbers from 1 - 99 and print each even number in a new line. 5. Write a Java program that converts each letter in the following input string into capital letter, then converts each letter in the resulting new string into a small letter: Input String: "Hello cs 102 members. This is my first assignment" 6. Design an activity diagram for a banking system that process of either withdrawing money from or depositing money into a bank account based on the balance of the account