The Longs.contains() method of Guava’s Longs Class is used to check if a value i.e. target is present in the array or not. This target value and the array are taken as parameters to this method. And this method returns a boolean value that states whether the target value is
Syntax:
public static boolean contains(long[] array,
long target)
Parameters: This method accepts two parameters:
- array: which is the array of values in which the target value is to be searched
- target: which is the long value to be checked for presence.
Return Value: The method returns True if for some value of i, the value present at ith index is equal to the target, else returns False.
Exceptions: The method doesn’t throw any exception.
Example 1:
import com.google.common.primitives.Longs;
import java.util.Arrays;
class GFG {
public static void main(String[] args)
{
long [] arr = { 5L, 4L, 3L, 2L, 1L };
long target = 3L;
if (Longs.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:
import com.google.common.primitives.Longs;
import java.util.Arrays;
class GFG {
public static void main(String[] args)
{
long [] arr = { 2L, 4L, 6L, 8L, 10L };
long target = 7L;
if (Longs.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 not present in the array
Reference: https://google.github.io/guava/releases/21.0/api/docs/com/google/common/primitives/Longs.html#contains-long:A-long-