java - 在Java中将String转换为double(Convert String to double in Java)

Question

如何在Java中将String例如"12.34"转换为double "12.34" ？

  ask by TinyBelly translate from so

Answer 1

You can use Double.parseDouble() to convert a String to a double :

(您可以使用Double.parseDouble()将String转换为double ：)

String text = "12.34"; // example String
double value = Double.parseDouble(text);

For your case it looks like you want:

(对于您的情况，看起来像您想要的：)

double total = Double.parseDouble(jlbTotal.getText());
double price = Double.parseDouble(jlbPrice.getText());