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public class LotsOfMethods { public static void main(String [] args) { // Sample method getting called. Just reports the String sent to the method //
public class LotsOfMethods
{
public static void main(String [] args)
{
// Sample method getting called. Just reports the String sent to the method
// by printing "Received: " followed by the String.
sampleMethod("hello");
sampleMethod("there");
// For the received integer value, report whether or not it is odd.
// It should work for any integer value (not just those used below).
// It reports a message of the format "16 is not odd" or "1 is odd".
reportOdd(3);
reportOdd(100);
reportOdd(77);
// Assume that the two values represent the width and height of
// a rectangle. Report the area of the rectangle with a line of
// the form "Area is 100.0 for a rectangle of width 10.0 and height 10.0".
// Print one digit after the decimal point.
printArea(10.00, 10.0);
printArea(3.555, 19.4);
printArea(600.5, 1.1);
// Assume that the values sent to stockSale are a String representing
// the name of the company, an integer representing the number of shares
// of the stock that were sold, and the price the stock was sold at.
// Report the information about the sale in a line of output of this
// format:
//
// Sold 50 shares of IBM at $35.50 for $1,775.00
//
stockSale("IBM", 50, 35.5);
stockSale("Apple", 100, 440.25);
stockSale("GM", 25, 12.75);
// Write the method determineTax. The method is sent the amount of the
// purchase and the tax rate. It returns a double value that is the
// amount of the tax.
// Note that the method determineTax does not print anything -- it
// just returns the value.
double m1 = determineTax(350.00, 0.06); // Michigan is 6%
double m2 = determineTax(79.99, 0.06);
double cal1 = determineTax(499.99, 0.0725); // California is 7.25%
System.out.printf("Here are the returned values: %.2f, %.2f, and %.2f ", m1, m2, cal1);
// Reports the grade that corresponds to the test score supplied, according to this scale:
// A: 100-90, B: 89-80, C: 79-70, D: 69-60, E: 59-0. Report "Invalid" for any other score.
// Invalid scores should be reported like this: "110 is an invalid score".
// Valid scores should be reported like this: "70 has a grade of C".
testScore(93);
testScore(70);
testScore(110);
testScore(-3);
testScore(52);
testScore(88);
// In the gambling game of craps the gambler rolls two dice. The first roll of the dice
// has several different outcomes. If a 2, 3, or 12 is rolled then the gambler "craps out" (i.e,
// they lose). If they roll a 7 or 11 then they "win". If they roll any other number then
// they "keep rolling".
// Write a method that takes the two dice and reports one of the three possible outcomes:
// * "crap out"
// * "win"
// * "keep rolling"
//
// This method just reports the status of just the first roll.
firstRoll(2, 3);
firstRoll(6, 1);
firstRoll(4, 5);
firstRoll(4, 3);
firstRoll(6, 6);
// Write a method waterState that takes a single double value as a parameter that indicates the
// temperature of the water. Your method will return a single String indicating the state of water
// at that temperature. The three possible states are "solid", "liquid", or "gas". I.e., water is
// solid, as ice, at 32 degrees or less, it is a gas (steam) at 212 degrees and above, and it is a
// liquid between 32 and 212.
String w1 = waterState(76.5); // 76 degrees -- liquid water
System.out.println("w1 is: " + w1);
String w2 = waterState(17.7);
System.out.println("For 17 it is: " + w2);
String w3 = waterState(32.0);
System.out.println("Right at 32 is is frozen: " + w3);
System.out.println("Hot: " + waterState(250.0));
// Write a method that returns a boolean value of true or false.
// It takes three test scores, and return true or false to indicate
// if the average grade is a passing grade (i.e., return true if the average is
// 70.0 points or more).
boolean b = passes(99.0, 83.0, 90.2);
System.out.println("b is: " + b);
boolean b2 = passes(72.0, 54.5, 69.5);
System.out.println("return value of: " + b2);
System.out.println( passes(100.0, 5.0, 82.0) );
// Write a method that uses a loop to print the squares of numbers.
// The squares are reported in increments of one from the first
// number to the second number, inclusive:
squares(2, 9);
squares(100, 105);
squares(22, 30);
}
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