入门级问题,小生不懂忘大神解答

Question

设计并实现方法format该方法接受一个float型参数f 将f转换成字符串,并将其小数部分最末位连续的0替换成x
求前辈解答

Answer 1

public void format(float f){
        String s = f+"";
        StringBuffer sb = new StringBuffer(s);
        int i = sb.indexOf("0");
        StringBuffer buff = sb.replace(i, sb.length()-1, "x");
    }