CountAndSay.java

public class Solution {
 public String countAndSay(int n) {
 String result = "1";
		 StringBuffer newString = new StringBuffer("");
 int i = 1;
		 while(i<n) {
 	char tmp = result.charAt(0);
 	int num = 1;
 	for(int k=1;k<result.length();k++) {
 	 if(result.charAt(k)==tmp) {
 		 num++;
 		 continue;
 	 }
 	 newString.append(Integer.toString(num) + tmp);
 	 tmp = result.charAt(k);
 	 num = 1;
 }
 newString.append(Integer.toString(num) + tmp);
 		 result = newString.toString();
 		 newString.setLength(0);
 		 i++;
 }
		 return result;
 }
}