java去掉字符串中的子字符串 java去除字符串中指定字符

public String deleteCharString(String sourceString, char chElemData) {
        StringBuffer stringBuffer = new StringBuffer("");
        for (int i = 0; i < sourceString.length(); i++) {
            if (sourceString.charAt(i) != chElemData) {
                stringBuffer.append(sourceString.charAt(i));
            }
        }
        return stringBuffer.toString();
    }