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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  
  8. class Ideone {
  9. 	public static void main (String[] args) throws java.lang.Exception {
  10. 		Scanner sc = new Scanner(System.in);
  11. 		String s = sc.next();
  12. 		int k = sc.nextInt();
  13. 	 int counter = 0, indexA = 0;
  14.         String[] a = new String[indexA];
  15.        String b;
  16.        int subStringIndx = 0;
  17.  
  18.         for ( int i = 0; i < s.length() - 2; ++i) {
  19.             for ( int j = i; j == i ; ++j) {
  20.                 ++subStringIndx;
  21.  
  22.                 String saver = s.substring(i, i + k); // incercare
  23.                 ++indexA;
  24.                // a[++indexA] = saver;
  25.                 System.out.println(saver + " <>");
  26.                 //a[i] = s.substring(i, subStringIndx);
  27.                 //a[i] = strings[i];
  28.  
  29.             }
  30.         }
  31.  
  32.         for (int i = 0; i < indexA; ++i) {
  33.             //System.out.println(a[i] + " " + i);
  34.         }
  35. 	}
  36. }
Success #stdin #stdout 0.18s 58860KB
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welcometojava
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wel <>
elc <>
lco <>
com <>
ome <>
met <>
eto <>
toj <>
oja <>
jav <>
ava <>
https://ideone.com/1hmRPD
language:
Java (HotSpot 12)
created:
22 hours ago
visibility:
public

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