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
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