Java中参数字符串的压缩和解压缩

Quick Code for you..

public static void decompress(String originalString){        StringBuffer finalString = new StringBuffer();;        char previouschar = originalString.charAt(0);        for(int i=1; i < originalString.length(); i+=2){     for(int j = 0 ; j< Integer.parseInt(""+originalString.charAt(i));j++) {         finalString.append(previouschar);     }         if(i+1 < originalString.length())     {         previouschar=originalString.charAt(i+1);     }        }        System.out.println(finalString.toString());}