Write a method with the following header to display threenumbers in decreasing order:public static void displaySortedNumbers(double num1, double num2, double num3)Write a test program that prompts the user to enter three numbers and invokes themethod to display them in decreasing order.
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Write a method with the following header to display three
numbers in decreasing order:
public static void displaySortedNumbers(
double num1, double num2, double num3)
Write a test
method to display them in decreasing order.
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- Write a method that prints numbers using the following header:public static void printNumbers(int num1, int num2, intnumberPerLine)This method prints the characters between num1 and num2 with the specifiednumbers per line. Write a test program that prints ten characters per line from 1to 100. Numbers are separated by exactly one space.A pentagonal number is defined as n(3n-1)/2 forn = 1 , 2 , …, and so on. Therefore, the first few numbers are 1, 5, 12, 22,. . . . Write a method with the following header that returns a pentagonalnumber:public static int getPentagonalNumber(int n)For example, getPentagonalNumber(1) returns 1 and getPentagonalNumber(2) returns 5. Write a test program that uses this method to display thefirst 100 pentagonal numbers with 10 numbers on each line. Use the %7d formatto display each number.A pentagonal number is defined as n(3n−1) ∕ 2 for n = 1, 2, . . ., etc.. Therefore, the first few numbers are 1, 5, 12, 22, . . . . Write a method with the following header that returns a pentagonal number:public static int getPentagonalNumber(int n) For example, getPentagonalNumber(1) returns 1 and getPentagonalNumber(2) returns 5. In Java, Write a test program that uses this method to display the first 100 pentagonal numbers with 10 numbers on each line. Numbers are separated by exactly one space.
- A regular polygon is an n-sided polygonin which all sides are of the same length and all angles have the same degree (i.e.,the polygon is both equilateral and equiangular). The formula for computing thearea of a regular polygon is given below: Write a method that returns the area of a regular polygon using the following header:public static double area(int n, double side)Write a main method that prompts the user to enter the number of sides and theside of a regular polygon and displays its area. Here is a sample run: Enter the number of sides: 5 ↵EnterEnter the side: 6.5 ↵EnterThe area of the polygon is 72.69017017488385A pentagonal number is defined as n(3n-1)/2 for n = 1, 2, …, and so on. Therefore, the first few numbers are 1, 5, 12, 22, . . . . Write a method with the following header that returns a pentagonal number: publicstaticintgetPentagonalNumber(int n) For example, getPentagonalNumber(1) returns 1 and getPentagonal- Number(2) returns 5. Write a test program that uses this method to display the first 100 pentagonal numbers with 10 numbers on each line. Use the %7d format to display each number.Write a method with the following header to display an integer in reverse order: public static void reverse(int number) For example, reverse(3456) displays 6543. Write a test program that prompts the user to enter an integer then displays its reversal
- Write a method thatcomputes future investment value at a given interest rate for a specified numberof years. Use the following method header:public static double futureInvestmentValue(double investmentAmount, double monthlyInterestRate,int years)For example, futureInvestmentValue(10000, 0.05/12, 5) returns12833.59.Write a test program that prompts the user to enter the investment amount (e.g.,1,000) and the interest rate (e.g., 9%) and prints a table that displays future valuefor the years from 1 to 30, as shown below: The amount invested: 1000Annual interest rate: 9Years Future Value1 1093.802 1196.41...29 13467.2530 14730.571). What will be returned from the following method? public static double methodXY() { double a = 6.5 + 8.5; if( a > 12) return a; else return 10; }Write a method that returns the number of days in ayear using the following header:public static int numberOfDaysInAYear(int year)Write a test program that displays the number of days in the years between 2014and 2034.
- Write a static method that draws an arrow line from astartingpoint to an ending point in a pane using the following method header:public static void drawArrowLine(double startX, double startY,double endX, double endY, Pane pane) Write a test program that randomly draws an arrow line, as shown in Figure.6. Write a method that reads three strings from the keyboard. Although the strings are in no particular order, display the string that would be second if they were arranged lexicographically. 7. Write a method that reads a one-line sentence as input and then displays the following response: If the sentence ends with a question mark (?) and the input contains an even number of characters, display the word Yes. If the sentence ends with a question mark and the input contains an odd number of characters, display the word No. If the sentence ends with an exclamation point (!), display the word Wow. In all other cases, display the words You always say followed by the input string enclosed in quotes. Your output should all be on one line. Be sure to note that in the last case, your output must include quotation marks around the echoed input string. In all other cases, there are no quotes in the output. Your program does not have to check the input to see that the user has entered a…Write a method that returns a random number from alist of numbers passed in the argument. The method header is specified as follows:public static int getRandom(int... numbers)