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Julli [10]
3 years ago
14

two Smallest (10 points). Write a program TwoSmallest.java that takes a set of double command-line arguments and prints the smal

lest and second-smallest number, in that order. It is possible for the smallest and second-smallest numbers to be the same (if the sequence contains duplicate numbers). Note: display one number per line. Hint: Double.MAX_VALUE is the largest real number that can be stored in a double variable.
Computers and Technology
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

Below is the program TwoSmallest.java with each step explanation in form of comments.

public class TwoSmallest {                     // class definition

//main class having string args as a parameter

   public static void main(String[] args)

{ if (args.length < 2)

{         //string length must not be less than 2 for proceeding

           System.out.println("Please provide double values as command line arguments");

  }

else {  

// first two entries of string are checked for min1 and min2 and stored in variables with data type double

           double min1 = Double.parseDouble(args[0]), min2 = Double.parseDouble(args[1]), num;

//when min1 will be greater than min2 it will be stored temporary in variable temp having data type double

           if (min1 > min2) {

               double temp = min1;

               min1 = min2;

               min2 = temp;  //value of temp will be stored in min2

           }

//loop will check for each entry remaining until the last character of string

           for (int i = 2; i < args.length; i++) {

               num = Double.parseDouble(args[i]);

               if (num < min1) {

                   min2 = min1;

                   min1 = num;

               } else if (num < min2) {

                   min2 = num;

               }

           }

//min1 will give the 1st minimum number and min2 will give 2nd minimum.

           System.out.println(min1);

           System.out.println(min2);  

//both characters will be printed in sequence

       }

   }

}

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