1. Write a Java method "printNTimes" to print a given string for a given times. Your method should accept two inputs, one is String s and another is an integer n. The input string s will be printed n times. What is the return type?
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- Shpresa Fondation collects money from its donors. And then it distributes the collected money to the people who need. The money is collected directly from people or people donates through different banks. This year, they want to present certificates to their Top N Donors and thus they need to put the donors in descending order according to their total donation. Write a program in java that is going to read m donors' name surname and the amount donated, and then the program is going to list top n donors in descending order.Use merge sort and quick sort.Write a method that takes a String and a character as inputs and returns the number of instances of the input character within the input String. For example, if "banana" and 'a' are input into the method, it should return 3. If "apple" and 'p' are input, it should return 2. (in java)In Java: Forms often allow a user to enter an integer. Write a program that takes in a string representing an integer as input, and outputs yes if every character is a digit 0-9. Ex: If the input is: 1995 the output is: yes Ex: If the input is: 42,000 or 1995! the output is: no Hint: Use a loop and the Character.isDigit() function.