如何設(shè)計(jì)一個(gè)無(wú)態(tài)bean，計(jì)算sinx，用客戶端調(diào)用bean計(jì)算sin(兀/2
閉眼呼吸微笑掩飾悲傷
2016-09-30 08:23:44
1 回答
yanrun
TA貢獻(xiàn)317條經(jīng)驗(yàn) 獲得超240個(gè)贊
public?class?Sin?{
????public?Sin(){}
????private?static?double?sin(double?num)?{
????????return?Math.sin(num);
????}
????public?static?void?main(String[]?args)?{
????????System.out.println(sin(Math.PI?/?2));
????}
}-
閉眼呼吸微笑掩飾悲傷是JAVAee的算法嗎 -
yanrun不是啊，java se也可以這么算
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