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Exercise 1
Write a Java method random that generates and returns a random number between 14 and 59
(using SecureRandom). Test your method several times using a main function
Step by step
Solved in 2 steps
- Write Java Program Add a Method to Accept names and marks of n students from user, enter the value of n from User Ensure that valid data is entered. If user enters an invalid data, then appropriate message should be displayed using Message Dialog Box e.g. ‘Name cannot be a number’ or ‘Marks must be an integer value’ Add another Method, to Display this data in descending order according to marks such that name of student.JAVA PROGRAMMING Write a test program that inputs, sorts, outputs Integer and Float. And call the isEqualTo method.Java - public static void test_a(int n) { System.out.println(n + " "); if (n>0) test_a(n-2); } What is printed by the call test_a(6)?
- Write java program that generate two integer random numbers between 15 and 43 and printout the result of four operations between the two numbers, addition, subtraction,multiplication, division.The program must have the following methods:1- Method to generate a random number and return it.2- Method for addition operation accept two numbers and return back the result ofaddition operation.3- Method for subtraction operation accept two numbers and return back the result ofsubtraction operation.4- Method for multiplication operation accept two numbers and return back the result ofmultiplication operation.5- Method for division operation accept two numbers and return back the result of divisionoperation.6- Method to display the operation result which accept a string and three numbers.7- Main method to run the program by calling the above methods.Java program Write a test program that inputs, sorts, outputs Integer and Float. And call the isEqualTo method.Java - How many recursive calls will be made if the following method is called with 6? void greeting(int n) { system.out.println(“Hello!”); greeting(n-1); }
- java, write simple program use the following method: getMin: takes three integers as arguments and returns the minimum value of the three.JAVA: Write a program that reads an integer and prints how many digits the number has, by checking whether the number is ≥ 10, ≥ 100, and so on. (Assume that all integers are less than ten billion.) If the number is negative, first multiply it with –1.Write a Java program that asks the user to enter a string and counts how many times the letter "s" or "S" appears in the string. Display that number and then display the string that many times. Requirements: Call a method that gets the string from the user. Use recursion to ensure the string has at least 5 characters. Call a method that returns the number of times the letter "s" or "S" appears in the string. This method should use recursion. Call a method that takes the number of times the letter"s" or "S" appeared in the string and display the original string that was obtained from the user that many times using recursion. Call a method that sorts the letters in the string and searches for the letter "m". Display Found or Not Found.
- Write a Java program that repeatedly prompts your user for two integer numbers and uses a recursive method to calculate the product of those two numbers. The program should display the result of the call to the recursive method. The program will terminate when either of the two numbers entered by the user is equal to zero (0). Do not use the multiplication operator ( * ) in your proposed solution.Write a recursive method that displaysa string reversely on the console using the following header: public static void reverseDisplay(String value) For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.1. Write a Java program that will ask for a string of letters . 2. Each letter in the alphabet is given the following number code as assignment . 3. Print out the number code of each letter from the input in reverse . 4. Ask if the operation should be done again, if Yes, Return to 1. if No. Terminate the program 5. Create at least 2 methods aside from your main method in implementing a solution for this problem.