public int GetFragment (String str) {Queue<Integer> list=new LinkedList<>();Stack<Character> s=new Stack<>();int i=0,sum=0,out;for(char c:str.toCharArray()){if(s.isEmpty()){s.push(c);i++;}else if(!s.isEmpty()&amp;&amp;s.peek()==c){s.push(c);i++;}else if(!s.isEmpty()&amp;&amp;s.peek()!=c){while(!s.isEmpty()){s.pop();}list.add(i);s.push(c);i=1; } }if(!s.isEmpty()){while(!s.isEmpty()){s.pop();}list.add(i); }int l=list.size();for(int j=0;j<l;j++){sum+=list.poll(); }System.out.println(!str.isEmpty()?sum/l:0);return !str.isEmpty()?sum/l:0;}}