METHODS FIRST ASSIGNMENT (EVEN AND ODD CHECKR) 

            Temperature Q2 
 
import java.util.Scanner; 
 
public class Temperature { 
    static  void validation(Scanner input){ 
        while(!input.hasNextInt()) { 
            System.out.println("YOU have enter a letter where a number is 
expected"); 
            System.out.println("Please try again"); 
            input.next(); 
        } 
    } 
    static  int celsius(int a){ 
        int d = a + 32; 
        return d * 9/5; 
    } 
    static int fahr(int a ){ 
        int d = a -32; 
        return d * 5/9; 
    } 
 
    public static void main(String[] args) { 
        Scanner input = new Scanner(System.in); 
        System.out.println("============================================"); 
        System.out.println("           TEMPERATURE CONVERTER"); 
        System.out.println("============================================="); 
        System.out.println(" "); 
        System.out.println("Enter the number or the value of the temperature 
you wish to convert"); 
        validation(input); 
        int numberEntered = input.nextInt(); 
        int choose; 
        do { 
            System.out.println("Which of the two would you like to do your 
conversion to"); 
            System.out.println("1: TO CELSIUS (C)"); 
            System.out.println("2: TO FAHRENHEIT (F)"); 
            System.out.println("3: EXIT"); 
            System.out.print("Choose an option : "); 
            validation(input); 
            choose= input.nextInt(); 
            switch (choose){ 
                case 1: 
                    System.out.println( numberEntered +" to celsius is: "+ 
celsius(numberEntered)); 
                    break; 
                case 2: 
                    System.out.println( numberEntered +" to celsius is: 
"+fahr(numberEntered)); 
                    break; 
            } 
        }while (choose != 3); 
    } 
} 







         Even_odd_checker Q1 

 
import java.util.*; 
 
public class Even_odd_checker { 
    static boolean evenandodd(int a ) { 
        return a % 2 == 0; 
    } 
    static  void validation(Scanner input){ 
        while (!input.hasNextInt()){ 
            System.out.println("You have enter a number where a letter is 
expected "); 
            System.out.println("Please try again"); 
            input.next(); 
        } 
    } 
    public static void main(String[] args) { 
        Scanner input = new Scanner (System.in); 
        System.out.println("========================================="); 
        System.out.println("          EVEN AND ODD CALCULATOR"); 
        System.out.println("========================================="); 
        System.out.println("  "); 
        System.out.println("Enter the number you wish to determine if it's an 
odd or even number"); 
        validation(input); 
        int number = input.nextInt(); 
 
        System.out.println(evenandodd(number)); 
 
        if (evenandodd(number) ==true){ 
            System.out.println("The number "+ number +" is an EVEN number"); 
 
        }else { 
            System.out.println("The number "+ number +" is an ODD number"); 
        } 
 
    } 
} 
  
  Leapyear Q3 

import java.util.Scanner; 
 
public class leapyear { 
    static void leapYear(int a){ 
        if (a % 400 ==0){ 
            System.out.println(a+" is a leap year"); 
        }else { 
            System.out.println(a+ " is not a leap year"); 
        } 
    } 
    static  void  validation(Scanner input){ 
        while (!input.hasNextInt()){ 
            System.out.println("You have enter a letter where a number is 
expected "); 
            System.out.println("Please try again"); 
            input.next(); 
        } 
    } 
    public static void main(String[] args) { 
        Scanner input = new Scanner(System.in); 
        System.out.println("========================================="); 
        System.out.println("     LEAP AND NON-LEAP DETERMINANT"); 
        System.out.println("=========================================="); 
        System.out.println(" "); 
        System.out.println("Enter the year you wish to check "); 
        validation(input); 
        int yearEntered = input.nextInt(); 
 
        leapYear(yearEntered); 
    } 
} 
 
 
 
 
 
 
 

               calculateScore Q4 
 
import java.util.*; 
 class calculate { 
    String name; 
    int scores; 
 
    public int  calculateScore(String playerName, int score){ 
       playerName = name; 
        System.out.println("The player name: "+playerName); 
        System.out.println(" "); 
        System.out.println( playerName+" has a score of: "+score); 
        System.out.println("=================="); 
        return score; 
    } 
 
     public int calculateScore(int score){ 
         System.out.println("Player Name : Unknown" ); 
         System.out.println(" "); 
         calculateScore(name,score); 
         System.out.println("========================"); 
         return score; 
     } 
 
     static int calculateScore(){ 
         System.out.println("No player name or score  was provided"); 
         return 0; 
 
     } 
 
     static void validation(Scanner input){ 
        while (!input.hasNext()){ 
            System.out.println("YOU have enter a number where a letter is 
expected"); 
            System.out.println("Please try again"); 
            input.next(); 
        } 
     } 
 
     static void validations(Scanner input){ 
         while (!input.hasNextInt()){ 
             System.out.println("YOU have enter a number where a letter is 
expected"); 
             System.out.println("Please try again"); 
             input.next(); 
         } 
     } 
 
    public static void main(String[] args) { 
        Scanner input = new Scanner(System.in); 
        System.out.println("==========================================="); 
        System.out.println("       PLAYER SCORE CHECKER"); 
        System.out.println("============================================"); 
        System.out.println(" "); 
        System.out.println("Enter a player name"); 
validation(input); 
String player = input.nextLine(); 
System.out.println(" "); 
System.out.println("Enter the player score"); 
validations(input); 
int score = input.nextInt(); 
calculate player1 = new calculate(); 
player1.name = player; 
player1.scores = score; 
player1.calculateScore(player,score); 
player1.calculateScore(score); 
calculateScore(); 
} 
} 




MZ232 Q6 
import java.util.Scanner; 
 
public class MZ232 { 
    static int calArea(int a, int b){ 
        return a * b; 
    } 
    static double calArea(int a){ 
        return a*a; 
    } 
 
    static double calcarea(int c){ 
       return Math.PI*c*c; 
    } 
    static void validation(Scanner input){ 
        while (!input.hasNextInt()){ 
            System.out.println("You have enter a number a letter is 
expecteds"); 
            System.out.println("Please try again"); 
            input.next(); 
        } 
    } 
    static void selection(){ 
        System.out.println("choos the shape the client desire"); 
        System.out.println("1: Square"); 
        System.out.println("2: Rectangle"); 
        System.out.println("3: Circle"); 
    } 
    static  void number(){ 
        System.out.println("Enter the size needed by the client"); 
    } 
    public static void main(String[] args) { 
        Scanner input = new Scanner(System.in); 
        System.out.println("==========================="); 
        System.out.println("      MZ232 Company"); 
        System.out.println("============================"); 
        System.out.println(" "); 
        selection(); 
        validation(input); 
        int shapeSelection = input.nextInt(); 
        switch (shapeSelection){ 
            case 1: 
             number(); 
             validation(input); 
             int needed1 = input.nextInt(); 
                System.out.println(calArea(needed1)); 
                break; 
            case 2: 
                System.out.println("Enter the length size needed by the 
client "); 
                validation(input); 
                int needed2 = input.nextInt(); 
                System.out.println("Enter the width size needed by the 
client"); 
                validation(input); 
                int needed3 = input.nextInt(); 
System.out.println(calArea(needed2,needed3)); 
break; 
case 3: 
System.out.println("Enter the size of the radius needed by 
the client"); 
validation(input); 
int needed4 = input.nextInt(); 
System.out.println(calcarea(needed4)); 
break; 
} 
} 
} 


Summer Q5 
import java.util.Scanner; 
class DogPlay { 
static  void summer(){ 
System.out.println("Choose one of the questions below to determine 
inorder to proceed"); 
System.out.println("1: SUMMER"); 
System.out.println("2: Not Summer"); 
       System.out.println(" "); 
 
   } 
 
   static void validation(Scanner input){ 
       while (!input.hasNextInt()){ 
           System.out.println("You have enter a number where a letter is 
expected"); 
           System.out.println("Try again"); 
           input.next(); 
       } 
   } 
   static void playing(Scanner input) { 
      summer(); 
       validation(input); 
       int summer = input.nextInt(); 
       switch (summer){ 
           case 1: 
               System.out.println("It is summer"); 
               System.out.println("Enter the temperature"); 
               validation(input); 
               int temperature = input.nextInt(); 
               if (temperature >= 25 && temperature <= 45){ 
                   System.out.println("true"); 
               }else { 
                   System.out.println("false"); 
               } 
               break; 
           case 2: 
               System.out.println("It's not summer"); 
               System.out.println("Enter the temperature"); 
               validation(input); 
               int temp = input.nextInt(); 
               if (temp >25 && temp <30){ 
                   System.out.println("true"); 
               }else { 
                   System.out.println("false"); 
               } 
               break; 
       } 
   } 
    public static void main(String[] args) { 
       Scanner input = new Scanner(System.in); 
 
        System.out.println("===================================="); 
        System.out.println("               DOG PLAYING"); 
        System.out.println("====================================="); 
      playing(input); 
 
    } 
}









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