Double parseDouble() method in Java with examples
The parseDouble() method of Java Double class is a built in method in Java that returns a new double initialized to the value represented by the specified String, as done by the valueOf method of class Double.
public static double parseDouble(String s)
Parameters: It accepts a single mandatory parameter s which specifies the string to be parsed.
Return type: It returns e double value represented by the string argument.
Exception: The function throws two exceptions which are described below:
- NullPointerException– when the string parsed is null
- NumberFormatException– when the string parsed does not contain a parsable float
Below is the implementation of the above method.
Value = 100.0
Program 2: To show NumberFormatException
Exception: java.lang.NumberFormatException: empty String
Program 3: To show NullPointerException
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