SK T4 : LEARN SIMPLE JAVA SUBFUNCTIONS

LEARN SIMPLE JAVA SUBFUNCTION.

~Courtesy of internet~

public static int minFunction(int n1, int n2) {

   int min;

   if (n1 > n2)

      min = n2;

   else

      min = n1;

   return min;

}

public class ExampleMinNumber {    public static void main(String[] args) {       int a = 11;       int b = 6;       int c = minFunction(a, b);       System.out.println("Minimum Value = " + c);    }  /** returns the minimum of two numbers */    public static int minFunction(int n1, int n2) {       int min;       if (n1 > n2)          min = n2;       else          min = n1;       return min;    } }

public class ExampleVoid {    public static void main(String[] args) {       methodRankPoints(255.7);    }    public static void methodRankPoints(double points) {       if (points >= 202.5) {          System.out.println("Rank:A1");       }else if (points >= 122.4) {          System.out.println("Rank:A2");       }else {          System.out.println("Rank:A3");       }    } }

public class swappingExample {      public static void main(String[] args) {       int a = 30;       int b = 45;       System.out.println("Before swapping, a = " + a + " and b = " + b);         // Invoke the swap method       swapFunction(a, b);       System.out.println("\n**Now, Before and After swapping values will be same here**:");       System.out.println("After swapping, a = " + a + " and b is " + b);    }      public static void swapFunction(int a, int b) {       System.out.println("Before swapping(Inside), a = " + a + " b = " + b);             // Swap n1 with n2       int c = a;       a = b;       b = c;       System.out.println("After swapping(Inside), a = " + a + " b = " + b);    } }

Before swapping, a = 30 and b = 45 Before swapping(Inside), a = 30 b = 45 After swapping(Inside), a = 45 b = 30   **Now, Before and After swapping values will be same here**: After swapping, a = 30 and b is 45

public class ExampleOverloading {      public static void main(String[] args) {       int a = 11;       int b = 6;       double c = 7.3;       double d = 9.4;       int result1 = minFunction(a, b);             // same function name with different parameters       double result2 = minFunction(c, d);       System.out.println("Minimum Value = " + result1);       System.out.println("Minimum Value = " + result2);    }      // for integer    public static int minFunction(int n1, int n2) {       int min;       if (n1 > n2)          min = n2;       else          min = n1;         return min;    }       // for double    public static double minFunction(double n1, double n2) {      double min;       if (n1 > n2)          min = n2;       else          min = n1;         return min;    } }