Java Guava | Floats.join() method with Examples

The join() method of Floats Class in the Guava library is used to combine or join all the given float values separated by a separator. These float 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 float values.

For example: join(“-“, 1L, 2L, 3L) returns the string “1-2-3”.

Syntax:

public static String join(String separator, float… array)

Parameters: This method accepts two mandatory parameters:

separator: which is the floatacter that occurs in between the joined float values.
array: which is an array of float values that are to be joined.

Return Value: This method returns a string containing all the given float values separated by separator.

Below programs illustrate the use of this method:

Example 1:

// Java code to show implementation of 
// Guava's Floats.join() method 

import com.google.common.primitives.Floats; 

import java.util.Arrays; 

class GFG { 

    // Driver's code 

    public static void main(String[] args) 

    { 

        // Creating a float array 

        float[] arr = { 2.3f, 4.2f, 6.2f, 8.6f, 10.5f }; 

        // Using Floats.join() method to get a 

        // string containing the elements of array 

        // separated by a separator 

        System.out.println(Floats.join("#", arr)); 

    } 
}

Output:

2.3#4.2#6.2#8.6#10.5

Example 2:

// Java code to show implementation of 
// Guava's Floats.join() method 

import com.google.common.primitives.Floats; 

import java.util.Arrays; 

class GFG { 

    // Driver's code 

    public static void main(String[] args) 

    { 

        // Creating a float array 

        float[] arr = { 3.2f, 5.4f, 7.6f, 9.1f, 11.2f }; 

        // Using Floats.join() method to get a 

        // string containing the elements of array 

        // separated by a separator 

        System.out.println(Floats.join("*", arr)); 

    } 
}