Write a C Program to extract a portion of a string from a character string using for loop -

#include<stdio.h> #include<string.h> void main() { char str1[50],str2[50]; int i,j,n,m,l; clrscr(); printf("enter string\n"); gets(str1); //scanf ("%s",str1); printf("enter position of required character: "); scanf("%d",&n); printf("enter required number of characters extracted: "); scanf("%d",&m); l=strlen(str1); if(m+n-1<l)  {   for(i=n-1;i<m+n-1;i++)    {     for(j=0;j<i;j++)     {      str2[j]=str1[i];      str2[j]='\0';     }    } printf ("the extracted string is: %s",str2);  } else printf ("string extraction not possible"); } 

expected output

enter string : university in bangalore  enter position of required character: 6  enter required number of characters extracted: 4  extracted string is: sity 

package exatractstring;  import java.util.scanner;   public class exatractstring {       public static void main(string[] args)     {         string str;         int begin,end;         scanner s = new scanner(system.in);         scanner sc = new scanner(system.in);         system.out.println("enter string : ");         str = s.nextline();         int sizestring  = str.length();          system.out.println("enter extract begining position : ");         begin = sc.nextint();         system.out.println("enter extract end position : ");         end = sc.nextint();         if(begin < 0 || end>sizestring )         {             system.out.println("you wrong ..!!!");         }         system.out.println(str.substring(begin,end));     }  }