Object oriented programming

Java Programs [Write any 3 programs from each Group) Group A 1. Write a program to read 2 numbers. Display the greatest of all. 2. Write a program to read 'n' numbers from the keyboard and print the sum and average. 3. Write a program to read the student's id, name and marks in 5 courses. Calculate the total and average. Print all the details. 4. To print your name, college id, name of the college, and department on separate lines. 5. Input temperature in Celsius (c) and convert to Fahrenheit. f = 1.8c+32. 6. Input the total marks scored by a student in Java and print passed status if the total marks are greater than 67 otherwise print failed. Use ternary operator