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Ints max() function | Guava | Java

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  • Last Updated : 15 Nov, 2018
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Guava’s Ints.max() returns the greatest value present in array.

Syntax:

public static int max(int... array)

Parameters: This method takes the array as parameter which is a nonempty array of int values.

Return Value: This method returns the value present in array that is greater than or equal to every other value in the array.

Exceptions: The method throws IllegalArgumentException if array is empty.

Below examples illustrates the Ints.max() method:

Example 1:




// Java code to show implementation of
// Guava's Ints.max() method
  
import com.google.common.primitives.Ints;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
        // Creating an integer array
        int[] arr = { 2, 4, 6, 10, 0, -5, 15, 7 };
  
        // Using Ints.max() method to get the
        // maximum value present in the array
        System.out.println("Maximum value is: "
                           + Ints.max(arr));
    }
}

Output:

Maximum value is: 15

Example 2: To demonstrate IllegalArgumentException




// Java code to show implementation of
// Guava's Ints.max() method
  
import com.google.common.primitives.Ints;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
  
        try {
            // Creating an integer array
            int[] arr = {};
  
            // Using Ints.max() method to get the
            // maximum value present in the array
            // This should raise "IllegalArgumentException"
            // as the array is empty
            System.out.println("Maximum value is: "
                               + Ints.max(arr));
        }
        catch (Exception e) {
            System.out.println("Exception: " + e);
        }
    }
}

Output:

Exception: java.lang.IllegalArgumentException

Reference: https://google.github.io/guava/releases/22.0/api/docs/com/google/common/primitives/Ints.html#max-int…-


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