/*
* How To Find Minimum And Maximum Values In An Arraylist In Java Using Collections Sort.
* https://mauricemuteti.info/how-to-find-minimum-and-maximum-values-in-an-arraylist-in-java-using-collections-sort/
*/
package maximumandminimumvaluesinanarraylistcollectionsort;
import java.util.ArrayList;
import java.util.Collections;
/**
*
* @author Authentic
*/
public class MaximumAndMinimumValuesInAnArrayListCollectionSort {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
//Creating An ArrayList
ArrayList<Integer> values = new ArrayList<>();
//Adding Integer Values to An ArrayList.
values.add(1000);
values.add(500);
values.add(700);
values.add(1200);
values.add(30000);
System.out.println("ArrayList Elements Before Sorting");
//Printing ArrayList Values On The console
for (int i = 0; i < values.size(); i++) {
System.out.println("Value At Index (" + i + ")" + values.get(i));
}
System.out.println("");
//Using collections.sort
Collections.sort(values);
System.out.println("ArrayList Elements After Sorting");
//Printing ArrayList Values On The console
for (int i = 0; i < values.size(); i++) {
System.out.println("Value At Index (" + i + ")" + values.get(i));
}
System.out.println("");
//Getting Minimun value.
int min = values.get(0);
System.out.println("The Minimum Value Is : " + min);
//Getting Maximum value.
int max = values.get(values.size() - 1);
System.out.println("The Maximum Value Is : " + max);
}
}
NETBEANS 8.2 OUTPUT
run:
ArrayList Elements Before Sorting
Value At Index (0)1000
Value At Index (1)500
Value At Index (2)700
Value At Index (3)1200
Value At Index (4)30000
ArrayList Elements After Sorting
Value At Index (0)500
Value At Index (1)700
Value At Index (2)1000
Value At Index (3)1200
Value At Index (4)30000
The Minimum Value Is : 500
The Maximum Value Is : 30000
BUILD SUCCESSFUL (total time: 1 second)
