Java Program to find Minimum & Maximum From Arraylist Or Collection ?

Collection have Predefined method min(Object o) to find minimum value from list and max(Object o) to find maximum value from list. 

public class MinAndMax {

public static void main(String[] args)  {
ArrayList al=new ArrayList();
al.add(2);
al.add(0);
al.add(5);
al.add(8);
al.add(6);
al.add(3);
System.out.println("given array is :" + al);
int n=(int) Collections.min(al);
System.out.println("Minimum value in array is:"+ n);

int m=(int) Collections.max(al);
System.out.println("Maximum value in array is:"+ m);
}
}

Program Output :-

given array is :[2, 0, 5, 8, 6, 3]

Minimum value in array is:0

Maximum value in array is:8