[疑问] 新建对象的疑问

对Java中新建一个对象，大家可能再熟习不过了，如：

public class Person {

	private String name;

	public void setName(String name) {
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public String aaa() {
		return "AAA";
	}

	public static void main(String[] args) {
		Person p = new Person();
		p.setName("123");
		System.out.println(p.getName());
	}
}public class Person {