2016/1/21 practice ArrayList 1, adding Add () 2, traversing the collection

1  PackageShuzu;2 3  Public classCustomer {4     //generate constructors from the source using fields5      PublicCustomer (String Good,intPrice ) {6         Super();7          This. Good =good;8          This. Price =Price ;9     }Ten     PrivateString good; One     Private intPrice ; A     //Use automatic generation of Get and set methods from source -      PublicString Getgood () { -         returngood; the     } -      Public voidSetgood (String good) { -          This. Good =good; -     } +      Public intGetPrice () { -         returnPrice ; +     } A      Public voidSetprice (intPrice ) { at          This. Price =Price ; -     } -      //automatically generate the ToString method from the source code - @Override -      PublicString toString () { -         return"Customer [good=" + Good + ", price=" + Price + "]"; in     } -      to}

1  PackageShuzu;2 3 Importjava.util.ArrayList;4 5  Public classtestlist {6 7     8      Public Static voidMain (string[] args) {9Arraylist<customer> cus=NewArraylist<customer>();TenCus.add (NewCustomer ("Shirt", 100)); //Anonymous object  OneCus.add (NewCustomer ("trousers", 200)); //Anonymous object  ACus.add (NewCustomer ("Shoes", 300)); //Anonymous object  -Customer cc=NewCustomer ("Hat", 50); //Ming name Object  - Cus.add (cc); the          for(intI=0;i<cus.size (); i++){ -Customer c=Cus.get (i); -System.out.println ("" +c.getgood () + "" +c.getprice () + "meta"); //No Output mode when the ToString method is generated automatically  -             //System.out.println ("+c+");//Output mode when the ToString method is generated automatically +         } -     } +  A}

The last two output statements output the same effect differently

2016/1/21 practice ArrayList 1, adding Add () 2, traversing the collection