The countTrue() method of Booleans Class in Guava Library is used to count the number of values that are true in the specified boolean values passed as the parameter.
Syntax:
public static int countTrue(boolean... values)
Parameters: This method accepts the boolean values among which the true values are to be count.
Return values: This method returns an integer value which is the count of values that are true.
Example-1 :
// Java code to show implementation of// Guava's Booleans.countTrue() method  import com.google.common.primitives.Booleans;import java.util.Arrays;  class GFG {      // Driver's code    public static void main(String[] args)    {          // Creating a Boolean array        boolean[] arr = { false, true, false,                          true, true };          // Using Booleans.countTrue() method to        // get the number of values that are true        System.out.println(Booleans.countTrue(arr));    }} |
Output:
3
Example 2 :
// Java code to show implementation of// Guava's Booleans.countTrue() method  import com.google.common.primitives.Booleans;import java.util.Arrays;  class GFG {      // Driver's code    public static void main(String[] args)    {        // Creating a Boolean array        boolean[] arr = { false, false,                          false, false };          // Using Booleans.countTrue() method to        // get the number of values that are true        System.out.println(Booleans.countTrue(arr));    }} |
Output:
0
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