the definition of a method dashedLine, with one parameter, an int. parameter is negative or zero, the method does nothing. Otherwise it prints a plete line terminated by a newline to standard output consisting of dashes (hyphens) the parameter's value determining the number of dashes. The method returns ng.
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- Write a Java program that implements static method roundSum() so that given 3 ints: a, b, and c; return the sum of their rounded values. We'll round an int value up to the next multiple of 10 if its rightmost digit is 5 or more, so 15 rounds up to 20. Alternately, round down to the previous multiple of 10 if its rightmost digit is less than 5, so 12 rounds down to 10. roundSum(16, 17, 18) → 50roundSum(12, 13, 14) → 40roundSum(6, 4, 4) → 10 The examples of input and output you can see in the picture. (the code structure should be as in the second picture)Define a method printResult() that takes two double parameters, and outputs "Sum: " followed by the parameters' sum with a precision of two digits as follows, ending with a newline. Ex: If the input is 6.00 23.00, then the output is: Sum: 29.00 Note: The calculation to find the sum of two values x and y is (x + y). Use System.out.printf("%.2f", myDouble) to output doubles with precision of two digitsWrite a method drivingCost() with input parameters drivenMiles, milesPerGallon, and dollarsPerGallon, that returns the dollar cost to drive those miles. All items are of type double. If the method is called with 50 20.0 3.1599, the method returns 7.89975. Define that method in a program whose inputs are the car's miles/gallon and the gas dollars/gallon (both doubles). Output the gas cost for 10 miles, 50 miles, and 400 miles, by calling your drivingCost() method three times. Output each floating-point value with two digits after the decimal point, which can be achieved as follows:System.out.printf("%.2f", yourValue); The output ends with a newline. Ex: If the input is: 20.0 3.1599 the output is: 1.58 7.90 63.20 Your program must define and call a method:public static double drivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)
- For this problem you will write a method that computes the number of boxes in a pyramid of boxes based on the number of boxes in the base. The boxes in each layer of the pyramid are stacked directly on top of one another (i.e. not offset between two boxes below). For example, below are shown two pyramids, one with base 5 and one with base 6. [] [][] [][][] [][][][] [][][][][] [][][][][][] Implement and test the computePyramidBoxes() method in the PyramidBoxCount class. When testing the computePyramidBoxes() method you should be sure to have at least one test method for each base case and at least one test method for each recursive case in your program.Write a method printShampooInstructions(), with int parameter numCycles, and void return type. If numCycles is less than 1, print "Too few.". If more than 4, print "Too many.". Else, print "N: Lather and rinse." numCycles times, where N is the cycle number, followed by "Done.". End with a newline. Example output with input 2: 1: Lather and rinse. 2: Lather and rinse. Done. import java.util.Scanner; public class ShampooMethod { /* Your solution goes here */ public static void main (String [] args) {Scanner scnr = new Scanner(System.in);int userCycles; userCycles = scnr.nextInt();printShampooInstructions(userCycles);}}Write a Java method named check() that checks the validity of a password received as string parameter. To be valid, a password should contain at least: 3 letters, 2 digits, and 1 character from {‘-’, ‘_’}. If the password is valid the method returns true, otherwise it returns false. To test your method, write a main() method that enables the user to input a password as a string, removes eventual extra spaces from it, sends it to check(), and displays the returned decision (the password is valid or not). Hints: To check if a character c is a digit you can use Character.isDigit(c), and to check if it is a letter you can use Character.isLetter(c). Run Example 1: Enter a password to check (at least 2 digits, 3 letters, and one char (- or _)): p5t4_i The password is valid. Run Example 2: Enter a password to check (at least 2 digits, 3 letters, and one char (- or _)): i0z#-9k The password is not valid.
- Define a Static method 'max' with return type as 'int' in class 'ProblemSolution' that take two numbers with type 'int'. Inside the 'max' method, compare the two numbers and return the maximum of the two numbers. Then, inside the 'main' method. Define two 'int' type numbers; the first number (num1) is equal to 5 and the second number (num2) is equal to 2. At the next line, call the 'max' method where its parameter input are the two numbers above, and assign the result of the method to the variable num3 (type 'int'). Finally, on the next line, print out -> "The maximum of " + num1 + " and " + num2 + " is " + num3 Output The maximum of 5 and 2 is 5 Where, There must be space between all the words and numbers. There should not any space after the last numberDefine a method findEmployeeTax() that takes two integer parameters as a person's salary and the number of dependents, and returns the person's tax percent as a double. The tax percent is returned as follows: Salary ≤ 1 dependent 2 - 5 dependents ≥ 6 dependents < 450000 0.15 0.05 0 450000 - 824999 0.25 0.15 0.15 ≥ 825000 0.4 0.25 0.25 Ex: If the input is 425000 0, then the output is: 0.15 import java.util.Scanner; public class TaxFinder { public static double findEmployeeTax(int salary, int numDepen) { double i; if (salary < 450000) { if(numDepen <= 1) i = 0.15; else if (numDepen >= 2 && numDepen <= 5) i = 0.05; else if (numDepen >= 6) i = 0; } else if (salary >= 450000 && salary <= 824999) { if(numDepen <= 1) i = 0.25; else if (numDepen >= 2 && numDepen <= 5) i = 0.15; else if (numDepen >= 6) i = 0.15; } else if…Write a Java method named check() that checks the validity of a password received as string parameter. To be valid, a password should contain at least: 3 letters, 2 digits, and 1 character from {‘-’, ‘_’}. If the password is valid the method returns true, otherwise it returns false. To test your method, write a main() method that enables the user to input a password as a string, removes eventual extra spaces from it, sends it to check(), and displays the returned decision (the password is valid or not).
- You can just provide code as you don't have required utility class, Please provide explanation and comments for code : Write a static method asciiGraph(), to display a “graph” of ASCII values of a String. 2.The method has a single String parameter str, and returns nothing (void).3.The method loops through all characters in str, and for each displays a line of *s on a row equal to the ASCII/Unicode integer value of the character being examined (see example).Hints:1. recall the String methods .charAt() and .length(), and casting a char with (int) directly returns the int ASCII/Unicode value2. to produce the line of *s, call the method starLine() from the Exam utility class3. in the output capture document, consider reducing the font size to 7 or 8 point to have each row of *s on a single line Consider the strings “Ab C” and “TED 99”, that are composed of:A displays 65 stars (*), since Unicode 65 = 'A'b 98 stars (*), since Unicode 98 = 'b'space 32 * , since Unicode 32 = ' ' (the space)C…Define a method printFeetInchShort(), with int parameters numFeet and numInches, that prints using ' and " shorthand. End with a newline. Remember to use println instead of print to output a newline. Ex: printFeetInchShort(5, 8) prints: 5' 8" Hint: Use \" to print a double quote.Define a method findAnnualMembership() that takes two integer parameters as a person's number of museum visits and the person's age, and returns the person's museum membership fee as an integer. The membership fee is returned as follows: Visits < 7 years 7 - 70 years > 70 years < 6 75 80 70 6 - 12 45 55 40 > 12 30 35 25 Ex: If the input is 5 6, then the output is: 75 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 import java.util.Scanner; public class MembershipFinder { /* Your code goes here */ publicstaticvoidmain(String[] args) { Scannerscnr=newScanner(System.in); intmuseumVisits; intuserAge; museumVisits=scnr.nextInt(); userAge=scnr.nextInt(); System.out.println(findAnnualMembership(museumVisits, userAge)); } }