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Find Second smallest number in java without sorting

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
Find Second smallest number in java without sorting Posted: Feb 15, 2016 5:39 AM
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This post originated from an RSS feed registered with Java Buzz by instanceof java.
Original Post: Find Second smallest number in java without sorting
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Feed Description: Instance of Java. A place where you can learn java in simple way each and every topic covered with many points and sample programs. 		Latest Java Buzz Posts
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Java interview Program to find second smallest number in an integer array without sorting the elements.


  1. package com.instanceofjava;
  2. class SecondSmallestNumber{
  3.  
  4. public static void main(String args[])
  5. { 
  6.  
  7. int numbers[] = {6,3,37,12,46,5,64,21};
  8.  
  9. int smallest=  numbers[0];;
  10.  int second_smallest =  numbers[0];;
  11.  
  12. for(int n:numbers){
  13.  
  14. if(n< smallest){
  15.  
  16.      second_smallest = smallest;
  17.       smallest=n;
  18.  
  19.  } else if( n< second_smallest){
  20.  
  21.                 second_smallest= n;
  22.  
  23. }
  24.  
  25. }
  26.          System.out.println("Smallest Number: "+smallest);
            System.out.println("Second Smallest Number: "+second_smallest);

  28.  
  29.  }
  30.  
  31. }



Output:
 
  1. Smallest Number: 3
  2. Second Smallest Number: 5

Java interview  Program to find second Smallest number in an integer array by sorting the elements.


  1. package com.instanceofjava;
  2. class SecondSmallestNumber{
  3.  
  4. public static void main(String args[])
  5. { 
  6.  
  7. int numbers[] = {6,3,37,12,46,5,64,21};
  8.  
  9.   Arrays.sort(numbers);
  10.  
  11.   System.out.println("Smallest Number: "+numbers[0]);
  12.   System.out.println("Second Smallest Number: "+numbers[1]);

  14.  }
  15.  
  16. }


Output:
 
  1. Smallest Number: 3
  2. Second Smallest Number: 5



Read: Find Second smallest number in java without sorting

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