Java Guava | Bytes.contains() method with Examples

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Bytes.contains() method of Guava’s Bytes Class accepts two parameters array and target. The method is used to check if the target element is present in the array or not.

Syntax:

public static boolean contains(byte[] array,
                               byte target)

Parameters: The method accepts two parameters :

array: An array of byte values, possibly empty.
target: A primitive byte value which is to be checked if it is present in the array or not.

Return Value: The method returns true if target is present as an element anywhere in array, and returns false if the target is not present anywhere in the array.

Exceptions: The method does not throw any exceptions.

Below examples illustrate the implementation of above method:

Example 1:

// Java code to show implementation of
// Guava's Bytes.contains() method
  
import com.google.common.primitives.Bytes;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
  
        // Creating a Byte array
        byte[] arr = { 5, 4, 3, 2, 1 };
  
        byte target = 3;
  
        // Using Bytes.contains() method to search
        // for an element in the array. The method
        // returns true if element is found, else
        // returns false
        if (Bytes.contains(arr, target))
            System.out.println("Target is present"
                               + " in the array");
        else
            System.out.println("Target is not present"
                               + " in the array");
    }
}

Output:

Target is present in the array

Example 2 :

// Java code to show implementation of
// Guava's Bytes.contains() method
  
import com.google.common.primitives.Bytes;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
        // Creating a Byte array
        byte[] arr = { 2, 4, 6, 8, 10 };
  
        byte target = 7;
  
        // Using Bytes.contains() method to search
        // for an element in the array. The method
        // returns true if element is found, else
        // returns false
        if (Bytes.contains(arr, target))
            System.out.println("Target is present"
                               + " in the array");
        else
            System.out.println("Target is not present"
                               + " in the array");
    }
}