Initialize the Java array to a non-null value. Use the length property of the array to get its size. Hold the value of the Java array length in a variable for future use. The length property of a Java ...

To determine the size of a Java array, query its length property. Here is an example of how to access the size of a Java array in code: Note that array length in Java is a property, not a method. That ...

If you specify a negative index or an index that is greater than or equal to the value returned by the array variable’s .length property, Java creates and throws a java.lang ...