ARRAYS - Java Programming: From Problem Analysis to Program Design - page 618

Next, consider the following statements:
stringList.addElement("Spring");
stringList.addElement("Summer");
stringList.addElement("Fall");
stringList.addElement("Winter");
After these statements execute, stringList is as shown in Figure 9-22.

stringList Spring

Summer

Fall

Winter

FIGURE 9-22 stringList after adding four strings

The statement:
System.out.println(stringList);
outputs the elements of stringList in the following form:
[Spring, Summer, Fall, Winter]
The class Vector is contained in the package java.util . Therefore, to use the class
Vector , your program must include either the statement:
import java.util.*;
or the statement:
import java.util.Vector;
The program in Example 9-14 further illustrates how a Vector object works.

EXAMPLE 9-14

//StringVectorExample

import java.util.Vector; //Line 1

public class StringVectorExample //Line 2

{ //Line 3

public static void main(String[] arg) //Line 4