1.Write a Java program that reads N numbers and displays the sum and mean of all numbers greater than zero, the sum and mean of all numbers less than zero (negative number or zero), and the sum and mean of all numbers whether positive, negative or zero. The user can enter the numbers in any order. Your program should NOT require the user to enter positive and negative numbers separately.

2.Write a program that displays a triangle composed of the characters O and X from a value (You name n) user input. For example, if the user enters 3, your program should display: OOX OOXO If the user enters 5, your program should display: O OX O XO O XO X O X O XO