Please do 1,2,3 java netBeans

Exercise #1 (1 point): Write a Java program that reads three names (first and last) from a file. The Program should print the initials of each person in single line or multiple lines. For example, if one of the names was Ahmed Sultan from the input file then your program will output A.S. to another file. (Hint: use charAto method) Exercise#2 (1 point): Write a Java program for a car merchant, who would like to calculate the total profit from selling cars. The program should input car's original price, selling price and number of sold cars. Therefore, the profit is equal to (incomes - expenses). The output should be like this: Car's original price: 20000AED Car'a selling price: 25000AED No. of cars to be sold: 23 ****** ****** ****** Profit = 575000 - 460000 = 115000 AED Exercise#3 (1 point): Repeat exercise 2 here, but read the input from a file instead from a user and print the output to a file instead of console as shown below: Output File Sample: Car's original price: 20000 AED Car's selling price: 25000AED No. of cars to be sold: 23 *************** Profit= 575000 - 460000 = 115000 AED Input File Sample: 20000 25000 23 ******