hello world 的各种输出方式（1）闲的蛋疼

class Person{    private String name;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }}class Member{    private Member(){    }    private static  Member instance=new Member();    public static Member getInstance(){        return instance;    }    public void print(){        System.out.println("hello word");    }}class Student{    private String num;    private Student(String num){        this.num=num;    }    private static final int mem=10;    private static final Student M1=new Student("hello word");    public static Student getM(int m){        switch(m){        case mem:            return M1;            default:                return null;        }    }    public String toString(){        return this.num;    }}interface Iprint{    public void print();}class Final implements Iprint{    public void print(){        System.out.println("word");    }}class Poly implements Iprint{    private Final f;    public Poly(Final f){        this.f=f;    }    public void first(){        System.out.println("hello");    }    public void print(){        first();        this.f.print();    }}class Factory{    public static Iprint getInstance(){        return new Poly(new Final());    }}interface In{    public void print();}abstract class Father{    public abstract void println();}class Son extends Father{    public void println() {        // TODO Auto-generated method stub        System.out.println("hello word");    }}class Array{    private String h="helloword";    char[] data=h.toCharArray();    public void print(){        for(int x=0;x<data.length;x++){            System.out.print(data[x]+" ");        }    }}class Link{    private class Node{        private Node next;        private Object data;        public Node(Object data){            this.data=data;        }        public void addNode(Node node){            if(this.next==null){                this.next =node;            }else{                this.next.addNode(node);            }        }        public void toArrayNode() {            Link.this.reData[Link.this.foot++]=this.data;            if(this.next!=null){                this.next.toArrayNode();            }        }    }    private int count;    private Node root;    private int foot;    private Object[]reData;    public void add(Object data){        if(data==null){            return;        }        Node node =new Node(data);        if(this.root==null){            this.root=node;        }else{            this.root.addNode(node);        }count++;    }    public Object[]toArray(){        if(this.count==0){            return null;        }        this.reData=new Object[this.count];        this.foot=0;        this.root.toArrayNode();        return this.reData;    }}public class Hello {    public static void main(String[] args) {        System.out.println("Hello word");        Member mem=Member.getInstance();        mem.print();        System.out.println(Student.getM(10));        Iprint i=Factory.getInstance();        i.print();        new In(){            public void print(){                System.out.println("hello word");            }        }.print();        Father f=new Son();        f.println();        new Array().print();        Person p=new Person();        p.setName("hello word");        System.out.println();        System.out.println(p.getName());        Link l=new Link();        l.add("hello");        l.add("word");        Object[]data=l.toArray();        for(int x=0;x<data.length;x++){            System.out.print(data[x]+" ");        }        }}

Hello word
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word
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h e l l o w o r d
hello word
hello word