a$)$ Give a big$-$Oh characterization, in terms of n$,$ of the running time of the example$1$ method from Exercises.java class in Lesson$4$Examples folder.

b$)$ Give a big$-$Oh characterization, in terms of n$,$ of the running time of the example$2$ method from Exercises.java class in Lesson$4$Examples folder.

c$)$ Give a big$-$Oh characterization, in terms of n$,$ of the running time of the example$3$ method from Exercises.java class in Lesson$4$Examples folder.

d$)$ Give a big$-$Oh characterization, in terms of n$,$ of the running time of the example$4$ method from Exercises.java class in Lesson$4$Examples folder.

e$)$ Give a big$-$Oh characterization, in terms of n$,$ of the running time of the example$5$ method from Exercises.java class in Lesson$4$Examples folder.