in java pls

Program 1: (Find the highest score) Write a program that prompts the user to enter the number of students and each student's name and score, and finally displays the name of the student with the highest score. Program 2: (Find numbers divisible by 5 or 6, but not both) Write a program that displays all the numbers from 100 to 200, ten per line, that are divisible by 5 or 6, but not both. Numbers are separated by exactliy one space. Program 3: (Display pyramid) Write a program that prompts the user to enter an integer from 1 to 15 and displays a pyramid, as shown in the following sample run: Enter the number of lines: 7 3 2 1 2 3