how to convert a string into a double in java code example

Example 1: java string to double

Double d = Double.valueOf(String str);

Example 2: transformer un string en double java

String number = "123,321";
double value = Double.parseDouble( number.replace(",",".") );

Example 3: transformer un string en double java

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