1. For each of the following tasks, design a class (i.e., static)method heading

Question

1. For each of the following tasks, design a class (i.e., static)method heading with an appropriate name, parameters, and returntype (or void). You do not need to write the method body. Forexample, the heading for a method that computes and returns thelargest of two real numbers could be something like this

 private static double max(double x, double y).

1. The task is to convert a given integer grade (0..100) into acorresponding letter grade.
2. The task is to compute the state tax on an item, given the costof the item and the tax rate.
3. Given three names, the task is to output them in aphabeticalorder.
4. Given a sentence, the task is to print each word in thesentence on a separate line of output.
5. Given a string and a character, the task is return the stringobtained by removing all occurrences of the given character fromthe given string.

2.

1. What is the output produced by the following programs?

   1.  public class ChangeParam
              {
      public static void main(String[] args)
              {
      int i = 1;
      double x = 3.4;
              String s = "hi!";
      
              System.out.println(i + " " + x + " " + s);
              changeUs(i, x, s);
              System.out.println(i + " " + x + " " + s);
              }
      
      private static void changeUs(int j, double y, String t)
              {
              j = 7;
              y = -1.2;
              t = "there";
              System.out.println(j + " " + y + " " + t);
              }
              }

   2.  public class TraceMe
              {
      public static void main(String[] args)
              {
              printBox(5, 3);
              }
      
      private static void printBox(int rows, int columns)
              {
      int i = 0;
      while (i < rows)
              {
      int j = 0;
      while (j < columns)
              {
      if ((i % 2) == (j % 2))
              {
              System.out.print('A');
              }
      else
              {
              System.out.print('B');
              }
              j = j + 1;
              }
              System.out.println();
              i = i + 1;
              }
              }
              }

   3.  public class ItsAMistery
              {
      public static void main(String[] args)
              {
              mistery("123456789");
              }
      
      private static void mistery(String str)
              {
      int i = 0;
      while (i < str.length())
              {
              System.out.print(str.charAt((i + 5) % str.length()));
              i = i + 1;
              }
              }
              }

1. The task is to convert a given integer grade (0..100) into acorresponding letter grade.
2. The task is to compute the state tax on an item, given the costof the item and the tax rate.
3. Given three names, the task is to output them in aphabeticalorder.
4. Given a sentence, the task is to print each word in thesentence on a separate line of output.
5. Given a string and a character, the task is return the stringobtained by removing all occurrences of the given character fromthe given string.

Explanation / Answer

Dear... Here is the code.. 1) The output of changeprm class is 1 3.4 hi! 7 -1.2 there 1 3.4 hi! The output of TraceMe class is BAB ABA BAB ABA The output of ItsMystery class is 678912345 Hope this will help you... Hope this will help you...

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