https://github.com/javaee/jpa-spec: Java(TM) Persistence API 
Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
This program and the accompanying materials are made available under the
terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
which accompanies this distribution.
The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
and the Eclipse Distribution License is available at
http://www.eclipse.org/org/documents/edl-v10.php.
Contributors:
    Linda DeMichiel - Java Persistence 2.1
    Linda DeMichiel - Java Persistence 2.0

/*******************************************************************************
 * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Linda DeMichiel - Java Persistence 2.1
 *     Linda DeMichiel - Java Persistence 2.0
 *
 ******************************************************************************/ 
package javax.persistence;

import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import java.lang.annotation.Documented;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;


Specifies that the class is an entity. This annotation is applied to the
entity class.

Since:Java Persistence 1.0
/**
 * Specifies that the class is an entity. This annotation is applied to the
 * entity class.
 * 
 * @since Java Persistence 1.0
 */
@Documented
@Target(TYPE)
@Retention(RUNTIME)
public @interface Entity {

	
(Optional) The entity name. Defaults to the unqualified
name of the entity class. This name is used to refer to the
entity in queries. The name must not be a reserved literal
in the Java Persistence query language.

/**
	 * (Optional) The entity name. Defaults to the unqualified
	 * name of the entity class. This name is used to refer to the
	 * entity in queries. The name must not be a reserved literal
	 * in the Java Persistence query language.
	 */
	String name() default "";
}