JAVA this
发布时间:2020-12-15 07:16:59 所属栏目:Java 来源:网络整理
导读:使用this调用成员变量和构造函数 public class Person { String name; int age; String address; Person() { System.out.println( "Person 无参构造" ); } Person(String name, age) { this .name = name; this .age = age; System.out.println( "Person 二
使用this调用成员变量和构造函数 public class Person { String name; int age; String address; Person() { System.out.println("Person 无参构造"); } Person(String name, age) { this.name = name; this.age = age; System.out.println("Person 二参构造" age,String address) { this(name,age); this.address = address; System.out.println("Person 三参构造"); } } Test {
static void main(String[] args) {
// TODO Auto-generated method stub
Person person = new Person("furong",12,"BeiJing");
System.out.println(person.name);
System.out.println(person.age);
System.out.println(person.address);
}
}
运行结果 Person 二参构造
Person 三参构造
furong
12
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