The contains() method of Doubles Class in Guava library is used to check if a specified value is present in the specified array of double values. The double value to be searched and the double array in which it is to be searched, are both taken as a parameter.
public static boolean contains(double array, double target)
Parameters: This method accepts two mandatory parameters:
- array: which is an array of double values in which the target value is to be searched.
- target: which is the double value to be searched for presence in the array.
Return Value: This method returns a boolean value stating whether the target double value is present in the specified double array. It returns True if the target value is present in the array. Else it returns False.
Below programs illustrate the use of contains() method:
Target is present in the array
Target is not present in the array
Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.