Java Guava | Booleans.asList() method with Examples

Java Guava | Chars.asList() method with Examples

Last Updated : 01 Feb, 2019

The Chars.asList() method of Guava's Chars Class accepts a char array as a parameter and returns a list which has the fixed size. The returned list is backed by the char array which is passed as the argument. It means the changes made in the array passed as parameter will be reflected back in the list returned by the method and vice-versa. Syntax:

public static List<Character> asList(char... backingArray)

Parameter: The method accepts a mandatory parameter backingArray which is a char array that is used to back the list. Return Value: The method Chars.asList() returns a fixed-size list which is backed by the array passed as the argument to the method. In other words, the method returns the list view of the array. Below examples illustrate the implementation of above method: Example 1:

Java

// Java code to show implementation of
// Guava's Chars.asList() method

import com.google.common.primitives.Chars;
import java.util.List;

class GFG {

    // Driver's code
    public static void main(String[] args)
    {

        // Creating a Char array
        char arr[] = { 'a', 'b', 'c' };

        // Using Chars.asList() method to wrap
        // the specified primitive Char array
        // as a List of the Char type
        List<Character> myList = Chars.asList(arr);

        // Displaying the elements in List
        System.out.println(myList);
    }
}

Output:

[a, b, c]

Example 2:

Java

// Java code to show implementation of
// Guava's Chars.asList() method

import com.google.common.primitives.Chars;
import java.util.List;

class GFG {

    // Driver's code
    public static void main(String[] args)
    {

        // Creating a Char array
        char arr[] = { 'H', 'E', 'L', 'L', 'O' };

        // Using Chars.asList() method to wrap
        // the specified primitive Char array
        // as a List of the Char type
        List<Character> myList = Chars.asList(arr);

        // Displaying the elements in List
        System.out.println(myList);
    }
}

Output:

[H, E, L, L, O]

Reference: https://google.github.io/guava/releases/18.0/api/docs/com/google/common/primitives/Chars.html#asList(char...)

Java Guava | Booleans.asList() method with Examples

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