Write a FileIo02 class witha method named writeArrayTOFile () that takes an array of strings and a filename (as a string) (in that order). Write each of the elements in the array to filename, appending a newline character, '\n', onto the end of each line. Note, for the test case to compile, writeArrayTOFile () will need to catch any checked exceptions.

What is a Java class? 2. How do you create a Java class? 3. How do you create instances of a class?

thanks but can i get this in the java language?

Only number 6

Use ruby on rails and on command line. Add the following parts to your student management system. Prefix: prefix, has many courses. Course: Belongs to a prefix, number, name, has many sections. Semester: semester ("Spring", "Summer", "Fall", ...), year, has many sections. Section: CRN, belongs to a course, belongs to a semester. Clean up the browser display for the following. Foreign keys are not displayed, but reasonable text is. There is a drop-downs for prefixes when creating courses, and drop-downs for course and semester when creating a section. A course displays all the sections. A semester displays all the sections. Something reasonable is displayed if a null is detected.

How do you use isempty?

Can you try it in java? Forgot to mention what language to use. Thank You!

java: Explain the 3 methods used to make Deep Copies.