customerexample.java

《J2EE专业项目实例开发》源代码

//CustomerCollection.java
class Customer
{
 String custName;
 String custNo;
 String custSex;
 int custAge;
  
 public void displayDetails()
 {
    System.out.println(custName);
    System.out.println(custNo);
    System.out.println(custSex);
    System.out.println(custAge);
 }
  }
  public class CustomerExample
  {
      Customer custObjects[];
      public CustomerExample()
      {
           custObjects = new Customer[3];
           for(int ctr=0;ctr != 3;ctr++)
           {
               custObjects[ctr] = new Customer();
           }
           custObjects[0].custName="Tom";
           custObjects[0].custNo="9801014568";
           custObjects[0].custSex="Male";
           custObjects[0].custAge=27;
           custObjects[1].custName="Carol";
           custObjects[1].custNo="9851034342";
           custObjects[1].custSex="Female";
           custObjects[1].custAge=24;
           custObjects[2].custName="Leonard";
           custObjects[2].custNo="9643036348";
           custObjects[2].custSex="Male";
           custObjects[2].custAge=25;
       }
       public void displayCollection()
       {
try
{
for(int ctr=0;ctr!=4; ctr++)
{
  custObjects[ctr].displayDetails();
}
}
catch(ArrayIndexOutOfBoundsException e) //catch block
         {
              System.out.println("Trying to access beyond the length of the array");
}  
       }
       public static void main(String args[])
       {
CustomerExample collectionObj;
collectionObj = new CustomerExample();
collectionObj.displayCollection();
System.out.println("All Records displayed");
       }
}