Float sum = new Float(300); // always somehow calculated
DecimalFormat df = new DecimalFormat("#.#");
String s = df.format(sum/3); // prints 100,I want 100.0
s = df.format(301/3); // pritns 100.3 which is correct
结果应该总是格式化为十进制格数,怎么办？
解决方法
@H_403_9@ 更改DecimalFormat df = new DecimalFormat("#.#");
至
DecimalFormat df = new DecimalFormat("#.0");
