A Java ArrayList allows for duplicate and null values. A Java ArrayList is an ordered collection, and maintains the insertion order of the elements. You cannot create an ArrayList of primitive types ...

The ArrayLists Example is a Java program that demonstrates the use of the ArrayList class from the java.util package. It stores marks of students in an ArrayList, displays the marks using both a for ...

It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.

So far, we have found ourselves using arrays to store most of our data. However, we have also noticed some limitations with arrays: You need to know the maximum size when you allocate it. You can’t ...