In managerial Round

write a method for finding substring which has specific given length

Question

In managerial Round

write a method for finding substring which has specific given length

Sujithachandrasekar · Accepted Answer

Merge 2 array:
create a merge method.
int a[]=new int[]{1,2,3};
int b[]=new int[]{4,5,6};
int c[]=merge(a,b);
for(int i=0;i

Sujithachandrasekar · Answer

eg:
str.substring(0,givenlength);
str.substring(8,givenlength);
str.substring(3,givenlength);

Sujithachandrasekar · Answer

count the no of each element present in the array:
import java.util.*;
public class Solution{
   
  public static void countNumber(String input)
   {
      HashMap map=new HashMap();
      char ch[]=input.toCharArray();
     for(char c:ch)
     {
        if(map.containsKey(c))
        {
           map.put(c,map.get(c)+1);
        }
        else
        {
           map.put(c,1);
        }
     }
     System.out.println(map);
  }
   public static void main(String args[])
   {
      String input="1212345456";
     countNumber(input);
      
   }
}

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