Find All Possible Combinations Of String In Java

import java.util.Scanner;

class SubstringsOfAString
{
   public static void main(String args[])
   {
      String string, sub;
      int  length;

      Scanner in = new Scanner(System.in);
      System.out.println("Enter a string to print it's all substrings");
      string  = in.nextLine();

      length = string.length();  

      System.out.println("Substrings of \""+string+"\" are :-");

      for( int i = 0 ; i < length ; i++ )
      {
         for(int  j = 1 ; j <= length - i ; j++ )
         {
            sub = string.substring(i, i+j);
            System.out.println(sub);
         }
      }
   }
}

Output :

Substrings of "love" are :-

l

lo

lov

love

o

ov

ove

v

ve

e