the coding languge is JAVA. please be descriptive and explain. posted it before and they gave the wrong answer. There are 2 seperate exercises, please do them seperately. thank you

Control Statements Complete the following exercises by the due date. Make sure your source code using appropriate programming style (e.g., descriptive variable names, indenting, comments, etc.). Exercises 1. Write a program that takes in two integer numbers and an operator (i.e. 1:+,2:,3:,4:/,5:% ). Then perform the appropriate calculation and display the answer. (Hint: switch). 2. Write a program that produces the following output using a nested for() loop. What to Turn In For each exercise, submit the source code and the screen output. Learning Objectives This exercise contributes to the development of problem solving skills. After completing this exercise, students should understand decision and repetition structures in a programming language