Logical and Problem Solving

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Logical and Problem solving based questions

Here we include the questions based on the logical ability and problem solving using java language-

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1.  Reverse a string in give size of chunk like – abcdefgh – cbafedhg

package com.mk.logicaltest.stringproblem;

public class ReversString {

public static void main(String[] args) {

      System.out.println(reverseStringInSubString("abcdefgh", 3));

}

private static String reverseStringInSubString(String str, int subStrSize) {

      int index = 0;

      StringBuilder revstrBuilder = new StringBuilder();

      while(index < str.length()) {

            String sub;

            if(index+subStrSize > str.length()) {

                  sub = str.substring(index);

            } else {

                  sub = str.substring(index, index+subStrSize);

            }

            StringBuilder strBuilder = new StringBuilder();

            strBuilder.append(sub);

            revstrBuilder.append(strBuilder.reverse());

            index +=subStrSize;

      }

      return revstrBuilder.toString();

   }

}