package dustin.examples; import java.util.Arrays; import static java.lang.System.out; /** * Simple demonstration of Arrays.toString(Object[]) method and the * Arrays ...

As noted in the comments, Java arrays employ C-like zero-based indexes and so using an index of 0 obtains the first element. /** * Extract the first element from the provided List of Strings.

Write lines of Java code according to the instructions ... an int variable named phoneNumber and the value 5032921234 //declare instantiate and initialize a String array with the name classNames with ...

To build an array list, you need to initialize it using our chosen data type, and then we can add each element individually using the add method. We also need to import ArrayList from the Java ...

You use the Java array’s length property to print out its size: When you initialize Java arrays with the new keyword ... To further confuse matters, the String class does have a length() method. The ...

The Java String length() method of an array is followed by round brackets ... length cannot be resolved or is not a field Also be sure to initialize the Java String before you invoke the length() ...

Arrays have a fixed size defined at the time of creation. You can declare, initialize, traverse, and update arrays using various methods in Java. An array is a collection of variables of the same type ...