Thursday, May 19, 2022

User Defined Methods and Arrays in Java

 A Java program to demonstrate how to declare and use user-defined methods and arrays.







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Program Listing


Max_Min.java


public class Max_Min {


public static void main(String[] args) {

// TODO Auto-generated method stub

double[] myList = {1.2, 9.3, 1.6, 2.5}; // Declare the array; assign values into array


    // Call the dispArray user-defined method to display the array contents to screen.

    dispArray(myList);

        

    Sum_Average(myList);

    Max_Value(myList);

            Min_Value(myList);

 

  }


  public static void dispArray(double[] myList) {


    // Print all the array elements

    System.out.println("These are the elements in the array:");

    System.out.print("|");

    for (int i = 0; i < myList.length; i++) {

      System.out.print(myList[i] + "|");

    }

    System.out.println();


  }

  

  

  private static void Sum_Average(double[] myList) {

  // Summing and averaging all elements

    double sum = 0;


    for (int i = 0; i < myList.length; i++) {

      sum += myList[i];

    }

    System.out.println();

    System.out.println("Total is " + sum);

    System.out.println("Average is " + (sum / myList.length));


    }


  

  private static void Max_Value(double[] myList) {

  // Finding the largest element

    double max = myList[0];

    for (int i = 1; i < myList.length; i++) {

      if (myList[i] > max) max = myList[i];

    }


    System.out.println("Max is " + max);

    }

  

  private static void Min_Value(double[] myList) {

   // Finding the smallest element

    double min = myList[0];

    for (int i = 1; i < myList.length; i++) {

      if (myList[i] < min) min = myList[i];

    }


    System.out.println("Min is " + min);


  }

} // End of Code




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