need help please. on Net bean

2. The greatest common divisor (gcd) of two integers is the largest integer that divides both numbers. Write a program that inputs two numbers and implements the following approach to finding their gcd Sample Input/Output: Enter the first number: 252 Enter the second number: 735 The ged of 252 and 735 is 21 3. Write a program that asks the user to enter the name of a file, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the file. Use Notepad or another text editor to create a simple file that can be used to test the program Where to submit: Blackboard What to submit: 3 Java source code (java file) and 3 screenshot of your output from NetBeans