看看语法高亮

package guestbook;

import java.util.Date;

import javax.jdo.annotations.IdGeneratorStrategy;
import javax.jdo.annotations.IdentityType;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;

import com.google.appengine.api.users.User;

@PersistenceCapable(identityType=IdentityType.APPLICATION)
public class Greeting {
	
	@PrimaryKey
	@Persistent(valueStrategy=IdGeneratorStrategy.IDENTITY)	
	private Long id;
	
	@Persistent
	private User author;
	
	@Persistent
	private String content;
	
	@Persistent
	private Date date;

	public Greeting( User author, String content, Date date) {
		this.author = author;
		this.content = content;
		this.date = date;
	}

	public User getAuthor() {
		return author;
	}

	public String getContent() {
		return content;
	}

	public Date getDate() {
		return date;
	}

	public Long getId() {
		return id;
	}

	public void setAuthor(User author) {
		this.author = author;
	}

	public void setContent(String content) {
		this.content = content;
	}

	public void setDate(Date date) {
		this.date = date;
	}

	public void setId(Long id) {
		this.id = id;
	}
	
	
}

引用

不错呀，很好，很强大。

当然，是这个编辑器。