Question

How to get the 3 smallest values from array in Java

Answer 1

public class MyClass {
    static int first;
    static int second;
    static int third;
    
    public static void getSmallest3(int arr[]) {
        int len = arr.length;
 
        if (len < 3) {
            return;
        }
 
        first = second = third = Integer.MAX_VALUE;
        for (int i = 0; i < len; i++) {
            if (arr[i] < first) {
                third = second;
                second = first;
                first = arr[i];
            }
            else if (arr[i] < second) {
                third = second;
                second = arr[i];
            }
 
            else if (arr[i] < third)
                third = arr[i];
        }
    }
 
    public static void main(String args[]) {
        int arr[] = { 12, 98, 80, 50, 88, 35, 70, 60, 97, 85, 89 };

        getSmallest3(arr);
        
        System.out.println(first + " " + second + " " + third);
    }
}




/*
run:

12 35 50

*/

 

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