Code:
package com.executecodes.combinatorial;
import java.util.Scanner;
public class SequenceOfNCharacters
{
public static Integer randomInt(Integer low, Integer high)
{
return (int) (Math.floor(Math.random() * (high - low + 1)) + low);
}
public static Character randomChar(String str)
{
return str.charAt(randomInt(0, str.length() - 1));
}
public static String generateRandSeq(Integer length, String src)
{
String seq = "";
for (int i = 1; i <= length; i = i + 1)
{
seq += randomChar(src);
}
return seq;
}
public static void main(String[] args)
{
String src = "abcdefghijklmnopqrstuvwxyz";
Scanner sc = new Scanner(System.in);
System.out.println("Enter the number of sequences to be generated: ");
int numberOfSequence = sc.nextInt();
System.out.println("Enter the length of each sequence: ");
int length = sc.nextInt();
for (int i = 0; i < numberOfSequence; i++)
{
System.out.println(generateRandSeq(length, src));
}
sc.close();
}
}
Output:
Enter the number of sequences to be generated:
4
Enter the length of each sequence:
5
qgpnt
kdxyr
ynhmf
wambi
Enter the number of sequences to be generated:
3
Enter the length of each sequence:
8
ilhddizq
evmpejxv
malvlhja
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