Java Guava | Doubles.indexOf(double array, double target) method with Examples
Doubles.indexOf(double array, double target) method of Guava’s Doubles Class accepts two parameters array and target. If the target exists within the array, the method returns the position of its first occurrence. If the target does not exist within the array, the method returns -1.
public static int indexOf(double array, double target)
Parameters: The method accepts two parameters:
- array: which is the integer array in which the target array is to checked for index.
- target: which is the value to be searched for as an element in the specified array.
Return Value: The method returns an integer value as follows:
- It returns the position of first occurrence of the target if the target exists in the array.
- Else it returns -1 if the target does not exist in the array.
Exceptions: The method does not throw any exception.
Below examples illustrate the implementation of above method:
Array: [3.2, 5.3, 7.4, 11.4, 13.5] Target: 7.4 Target is present at index 2
Array: [3.0, 5.0, 7.0, 11.0, 13.0] Target: 23.0 Target is not present in the array