Find Largest and Smallest Number in an Array Example

Write a program to find largest and smallest number in an array. 

Note - Time and space complexity efficient 

/*

  Find Largest and Smallest Number in an Array Example

  This Java Example shows how to find largest and smallest number in an 

  array.

*/

public class FindLargestSmallestNumber {

 

 public static void main(String[] args) {

 

 //array of 10 numbers

 int numbers[] = new int[]{32,43,53,54,32,65,63,98,43,23};

 

 //assign first element of an array to largest and smallest

 int smallest = numbers[0];

 int largetst = numbers[0];

 

 for(int i=1; i< numbers.length; i++)

 {

 if(numbers[i] > largetst)

 largetst = numbers[i];

 else if (numbers[i] < smallest)

 smallest = numbers[i];

 

 }

 

 System.out.println("Largest Number is : " + largetst);

 System.out.println("Smallest Number is : " + smallest);

 }

}

 

/*

Output of this program would be

Largest Number is : 98

Smallest Number is : 23

*/