To find the size or length of a Java array, follow these four steps Declare a variable of type array. Initialize the Java array to a non-null value. Use the length property of the array to get its ...

To set the size of a Java array, explicitly state the intended capacity of the array when you initialize it with the new keyword, as follows: Using the new keyword like this permanently sets the Java ...

Also read: How to use arrays in Python So ... Unlike a list in say Python, however, Java arrays are of a fixed size. There is no way to remove elements or to add to the array at run time.