please write in java add comments and make it availabe to copy.

Exercise 1 (12 marks) (Exl.java) Write the following methods in a Java program a) A Java method Olacay that fills the array with integer values. The method input parameters are an array A and it size (1 marks) b) A Java method printArray that print all the array elements. The method has no input parameters. (1 mark) c) A Java method Ayg that returns the Average of array numbers. (2 marks) d) A Java method Ayg that returns the Average of multiples of a number N. The method input parameters are an array size, an array of numbers, and the number N. (2 marks) e) A Java method Sum that returns the sum of numbers greater than a number N. The method input parameters are an array size, an array A of numbers, and the number N. (2 marks) 1 A Java method OddArray that prints an array of odd numbers less than a value N given as parameter (2 mark) g) A Java method called Above Average) of type integer that finds and returns how many numbers in an array A as parameter are above the average of the array. (2 marks) h) Test the above methods from the main method using the samples given in the class. (2 marks) b) A Java method StrinenFile that returns the number of times a string is present in a file. The filename and the string are the parameters of the method. (2 marks) Grading Scheme (All % are applied on 20) Individual Submission Code free of any syntax error: 20% (4 Marks) Code runs and free of any runtime errors: 10% (2 Marks) Code delivers expected output: 50% (10 Marks) Code naming conventions shall be respected (variable names, formatting ...). 10% (2 Marks) Your code should be tidy and commented. 10% (2 Marks)