1.该类有两个属性
1.1 String 类型的address,表示地址。 1.2 String 类型的zipCode,表示邮编。2 该类有两个构造⽅法:
2.1 ⽆参构造⽅法。 2.2 带两个参数的构造⽅法 public class Test3 { public static void main(String[] args) { new Address(); System.out.println("-----------------------------------------------"); new Address("上海","123456"); System.out.println("-----------------------------------------------"); Address Add = new Address(); Add.address = "北京"; Add.zipCode = "155000"; Add.B(); } } class Address { String address; String zipCode; public Address() { System.out.println("地址为:" + address); } public Address(String a,String b) { System.out.println("地址为:" + a + "\t" + "邮编为:" + b); } public void B() { System.out.print(address + "\t" + zipCode); } }