Select the header of a method that displays whether a character is a letter or a digit. * public static boolean isVowel ( char ch ) public static void isVowel ( char ch ) public static char isVowel ( char ch ) public static isVowel ( char ch ) None of the above ООО О
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- Free Response Question: 28. Write a method that will return true if a randomly generated number between 1 and 10 is less than or equal to 4. public static boolean FortyPercentOrLess() { }construct 2 methods: Void input() and void maxNum(). The input method should allow user to input 3 integers while maxNum method should be able to generate the highest number. Display the highest number in your program.// This program assigns values to two variables // and performs mathematical operations with them public class DebugFour1 { public static void main(String args[]) { int x = 5; int y = 8; int z = 19; System.out.println("adding " + x + y); System.out.println("subtracting " + y - z); System.out.println("dividing " + z / x); System.out.println("multiplying " + x / z); } }
- Create a method that takes a value and indicate whether it is positive or negative by a return aBoolean value.Declared as: boolean isPositive (float a)Using java language Create a class that has three methods. One method is to input three numbers. The second method will return the largest number between the three numbers. The third method will return the smallest number between the three numbers. Since the largest and smallest number are both returned values, display these values in the main method.QUESTION 10 Multiple Choice: What is the return type of the following method? public static void widget(double a, String b){ ... } String void int double QUESTION 11 Multiple Choice: Which statement is true about the method below? public static String doStuff(int x, double n, boolean b){ ... } String is the return type of this method int x, doublen, and boolean b will cause a syntax error and should be moved to the method body public and static are identifiers for the method O doStuff is a modifier for the method QUESTION 12
- Part 4: Methods The following is Java pseudocode. For this exercise, you can assume the input function provides an appropriate integer value. Line numbers are provided on the left. System.out.print will print the information to the same line. System.out.println will print the information and then go to the next line. // is a comment. Do not worry about public static. Code execution starts with the main method. For each method used, make sure to provide a separate table showing what the values are and how they change (i.e. tracing through the code). All variables passed in have values. Don’t worry about showing how the input() method works. 7 public static int test1(int x1, int x2){ 8 9 if(x1==0){ 10 x1=10; 11 } 12 if(x2==0){ 13 x2=10 14 } 15 16 return x1*x2; 17 } 18 19 public static int test2(int x2, int x1){ 20 return x2-x1; 21 } 22 public static int input(){…use only C# programming Write a method call CubeIt(int x, ref int cube) that takes two arguments and does not return a value. The method will cube the first argument and assign it to the second argument.In your main, call this method twice and print the value of the parameters after each method call. Write a method with the following header: static void CalculateTuitionFee(int numberOfCourses, double costPerCourse, ref double fees). This method will calculate and assign the required fees amount to the third argument. [Fees = number of courses * cost per course + 15.25].From your program Main() method, call the CalculateTuitionFee () method four times supplying different arguments each time and display the value of the third argument after each method call. Write a method that takes four parameter of type int. The method will assign the sum of the first two arguments to the third and the difference of the first two to the fourth. This method should be coded so that the calling…in this code, the integer on each line shows the line number that is not part of code: what is the signature of the method sum: ____ 1 public static int sum(int x, int y){ 2 int z = x +y; 3 return z; 4 } 5 public static void main(String[] args){ 6 … 7 sum(a+2, b); 8 … 9 }
- a. Plan the logic for an insurance company program to determine policy premiums. The program continuously prompts the user for an insurance policy number. When the user enters an appropriate sentinel value, end the program. Call a method that prompts each user for the type of policy needed—health or auto. While the user’s response does not indicate health or auto, continue to prompt the user. When the value is valid, return it from the method. Pass the user’s response to a new method where the premium is set and returned—$550 for a health policy or $225 for an auto policy. Display the results for each policy. b.Modify Exercise 9a so that the premium-setting method calls one of two additional methods—one that determines the health premium or one that determines the auto premium. The health insurance method asks users whether they smoke; the premium is $550 for smokers and $345 for nonsmokers. The auto insurance method asks users to enter the number of traffic tickets they have received…True or False A Boolean method returns either yes or no..// This program assigns values to two variables // and performs mathematical operations with them public class DebugFour1 { publicstaticmain(Stringargs[]) { int x =5 int y =8; System.out.println("adding " + x + y); int z =19; System.out.println("subtracting " + z - y); System.out.println("dividing " + z / x); System.out.println("multiplying " + x / z); } }