Java Guava | Doubles.join() method with Examples
The join() method of Doubles Class in the Guava library is used to combine or join all the given double values separated by a separator. These double values are passed a parameter to this method. This method also takes the separator as the parameter. This method returns a String which is the result of join operation on the specified double values.
For example: join(“-“, 1L, 2L, 3L) returns the string “1-2-3”.
public static String join(String separator, double… array)
Parameters: This method accepts two mandatory parameters:
- separator: which is the doubleacter that occurs in between the joined double values.
- array: which is an array of double values that are to be joined.
Return Value: This method returns a string containing all the given double values separated by separator.
Below programs illustrate the use of this method: