This is for Programming one with the java language. Please help me with the below questions. This is for review and I really need help understanding it. Thank you very much.

arrays Declaring an array of any type: Writing for loops to sum up, print, count calling value-returning methods. both called from the main method? Be able to trace through a program using both R The differences between class methods and instance methods; Examples of both. 3) Why are we interested in writing our own methods? The rules for writing and What distinguishes a void method from a value-returning class method? How are like we did in class and lab