in netbeans IDE 8,2

Exercise 1: Modify the following program to fix syntax and logical errors. The program has to print the product and the sum of 3 integers. public class ThreeNumberPS { public static void main(String[] args) { int number1= 2 number2 = 3 int number3 = 4 int product = 0; int sum= 0; sum=number1+2+3 product = (number1 + Number2) * number3; System.out.print("The product is " + "product"); System.out.print("The sum is " +Sum); } The output has to be as the following: The product is 24 The sum is 9 Exercise 2: Write a Java program to display the following shape. *** * * * * * * * * * *** * * * * * * *** Exercise 3: if x=2 and y=4, write a program to calculate and print output: 1. (x+y)/(xy-1) 2. (x^2+(y-4)*3)/y 3. (x+(x-y^2)-(x/y))*x Exercise 4: Write a java program that calculates the doubles and squares of the numbers from 1 to 5 and prints the resulting values in a table format, as shown below. Num Double Square 1 2 3 4 5 2 4 6 8 10 1 4 9 16 25 Exercise 5: Write a program which calculates and prints the monthly paycheck for an employee. The net salary is calculated after taking the following deductions: Federal Income Tax: 15% State Tax: 3.5% Retirement Plan: 5% Health Insurance: 7.5% If gross amount is 10000, your program output should be like this: Gross Amount: Federal Income Tax: State Tax: Retirement Plan: Health Insurance: Net Salary: 10000.00 AED 1500.00 AED 350.00 AED 500.00 AED 750.00 AED 6900.00 AED