Question

java中，如何将字符串转换成double类型？

比如,字符串"5.3739"转化成double类型5.3739

Answer 1

new Double("5.3739")

Answer 2

double abc = Double.parseDouble("5.3739")

Answer 3

用基本类型包装类

String str = "5.3739";

double d = Double.parseDouble(str);

Answer 4

String s = "5.15645641";
double d = Double.parseDouble(s);