Write a Java program to print the first 20 positive odd numbers using a loop

Write a Java program to find the sum of 5 random generated number between 0 and 1000.

Write a for loop in Java that produces the following output: 1 4 9 16 25 36 49 64 81 100

Write a java program that uses while loops to perform the following steps: a. Prompt the user to input two integers: firstNum and secondNum. (firstNum must be less than secondNum.) b. Output all the odd numbers between firstNum and secondNum inclusive. c. Output the sum of all the even numbers between firstNum and secondNum inclusive. d. Output all the numbers and their squares between 1 and 10. e. Output the sum of the squares of all the odd numbers between firstNum and secondNum inclusive. f. Output all the uppercase letters.