In Java, Determine if the statement has valid syntax or not. If not, fix the syntax error. double x^y;  double  amount%; double Double y=9.5;

Problem Statement: A painting company has determined that for every 115 square feet of wall space, one gallon of paint and eight hours of labor will be required.  The company charges $20.00 per hour for labor. Develop a Java program that performs the following:   Input Requirements: Set up the data for the following as named constants for one gallon of paint: 115 square feet of wall space eight hours of labor Also, set up a named constant for the following: $20.00 per hour for labor   Enter the following input data at the keyboard: The square feet of wall space to be painted The price of the paint per gallon   Processing: Your program is to perform the following calculations: The number of gallons of paint required The hours of labor required The cost of the paint The labor charges The total cost of the paint job   Output Requirements: The square feet of wall space to be painted The price of the paint per gallon The number of gallons of paint required The hours of labor…

This needs to be done in Java! (Calculating Sales) An online retailer sells five products whose retail prices are as follows: Product 1, $2.98; product 2, $4.50; product 3, $9.98; product 4, $4.49 and product 5, $6.87. Write an application that reads a series of pairs of numbers as follows: product number quantity sold Your program should use a switch statement to determine the retail price for each product. It should calculate and display the total retail value of all products sold. Use a sentinel-controlled loop to determine when the program should stop looping and display the final results.

in java level programming