import java.io.*;
import java.util.*;
public class CodingBat{
public boolean sameStarChar(String str){
boolean isIt=true;
for (int i=1; i<str.length()-1; i++){
String check=str.substring(i,i+1);
if (check.equals("*")){
if (!str.substring(i-1,i).equals(str.substring(i+1,i+2))){
isIt=false;
}
}
}
return isIt;
}
//needs editing
public String sameEnds(String string){
String same="";
int middle;
if (string.length()%2 != 0){
middle=(string.length()+1)/2;
String part1=string.substring(0,middle);
String part2=string.substring(middle+1,string.length()-1);
for (int i=0; i<middle; i++){
if (part1.substring(i,i+1).equals(part2.substring(i,i+1))){
same=same + part1.substring(i,i=1);
}
}
}
else {
middle=string.length()/2;
}
return same;
}
}