Java list length

This question already has an answer here: How can I get the size of. Pls try reading Javadoc and some tutorial on using . I have to write a piece of code using ArrayList and some of its member.

Packages in simple and easy steps : A beginner's tutorial containing complete knowledge of all the . This interface is a member of the Java Collections Framework. This is useful in determining the length of the list only if the caller knows that the list does not .

Size of List can be find by size() method. In size metho it will return value in integer. Example of finding size in List in Java. By using size() method of ArrayList class we can easily determine the size of the ArrayList. This method returns the number of elements of ArrayList.

You can use the size() method of java. ArrayList to find the length or size of ArrayList in Java. The size() method returns an integer equal to a number of .

Casting is necessary when you use generic lists and you need to tell Java the specific type. To find the length of an array, use array data member 'length', e.