turning a string intp a DOuble java code example

Example 1: string to double java exception

try {
  a = Double.parseDouble(b);
} catch (NumberFormatException e) {
  //the parseDouble failed and you need to handle it here
}

Example 2: transformer un string en double java

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