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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