Java - ArrayList.contains() 사용 방법 및 예제

public boolean contains(Object o)

String[] fruitsArray = {"apple", "banana", "kiwi", "mango"};
ArrayList<String>  fruits = new ArrayList<>(Arrays.asList(fruitsArray));

System.out.println("Has apple? : " + fruits.contains("apple"));
if (fruits.contains("mango")) {
    System.out.println("There is mango in the list");
}
if (!fruits.contains("strawberry")) {
    System.out.println("There is no strawberry in the list");
}

Has apple? : true
There is mango in the list
There is no strawberry in the list