Java中的Double.valueOf()和Double.parseDouble()有什么区别?RT例子:double a_dou1 = Double.valueOf(920.063);double a_dou = Double.parseDouble("920.239");System.out.println("HT "+a_dou1);System.out.println("HT "+a_dou);两者输出地都一样
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![Java中的Double.valueOf()和Double.parseDouble()有什么区别?RT例子:double a_dou1 = Double.valueOf(920.063);double a_dou = Double.parseDouble(](/uploads/image/z/3689040-48-0.jpg?t=Java%E4%B8%AD%E7%9A%84Double.valueOf%28%29%E5%92%8CDouble.parseDouble%28%29%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%3FRT%E4%BE%8B%E5%AD%90%EF%BC%9Adouble+a_dou1+%3D+Double.valueOf%28920.063%29%3Bdouble+a_dou+%3D+Double.parseDouble%28%22920.239%22%29%3BSystem.out.println%28%22HT+%22%2Ba_dou1%29%3BSystem.out.println%28%22HT+%22%2Ba_dou%29%3B%E4%B8%A4%E8%80%85%E8%BE%93%E5%87%BA%E5%9C%B0%E9%83%BD%E4%B8%80%E6%A0%B7)
Java中的Double.valueOf()和Double.parseDouble()有什么区别?RT例子:double a_dou1 = Double.valueOf(920.063);double a_dou = Double.parseDouble("920.239");System.out.println("HT "+a_dou1);System.out.println("HT "+a_dou);两者输出地都一样
Java中的Double.valueOf()和Double.parseDouble()有什么区别?
RT
例子:double a_dou1 = Double.valueOf(920.063);
double a_dou = Double.parseDouble("920.239");
System.out.println("HT "+a_dou1);
System.out.println("HT "+a_dou);
两者输出地都一样,两者有什么区别吗?
Java中的Double.valueOf()和Double.parseDouble()有什么区别?RT例子:double a_dou1 = Double.valueOf(920.063);double a_dou = Double.parseDouble("920.239");System.out.println("HT "+a_dou1);System.out.println("HT "+a_dou);两者输出地都一样
Double.valueOf(920.063);//把920.063转成Double 实例
实例
Double.parseDouble("920.239");//把字符串"920.239"转成double类型