java 以逗号隔开的String字符串转int数组

private int[] stringConvertInt(String value) {
    int[] intArr = new int[0];
    if(isNull(value)){
        intArr = new int[0];
    }else{
        String[] valueArr = value.split(",");
        intArr = new int[valueArr.length];
        for (int i = 0; i < valueArr.length; i++) {
            intArr[i] = Integer.parseInt(valueArr[i]);
        }
    }
    return intArr;
}

private static boolean isNull(String param){
    if(param==null||param.isEmpty()||param.trim().equals("")) return true;
    return false;
}