Guys this fxn mst accept a char array, a 0 based start position and a length. It shud return a char array containn length chars.

Question

public class Program
{
public static void main (String []args ){

char[] arr={"a","b","c"};
int s =0 ;
int l = 4;
char[]sub=a3(arr,s,l);
System.out.println (sub);
}

public static char [] a3(char[]a,int start,int length){

if (length<0||start<0||start+length-1>=a.length) {

return null ;
}
char[]sub=new char [length ];
int i=start;
i++;
for(j=0;j<length;j++){

sub [j] = a[i];
}
}
return sub ;
}

Answer 1

the char array shud start with the start character of the input array. what am I missing here? its saying"missing ; " on the j loop where there is a bracket.