binaryaset.java

考试系统

package paper;

/**
 * @author SpiritRain
 *
 * Binary Answer Set,an implementation of Abstract Answer Set 
 */
public class BinaryASet extends AbstractAnswerSet {

	/**
	 * create an binary answer set with key
	 * @param key key answer of the question
	 */
	public BinaryASet(AbstractAnswer key) {
		super(key);
	}

	/* (non-Javadoc)
	 *  @see paper.AbstractAnswer#check(java.lang.Object)
	 */
	public boolean check(AbstractAnswer ans) {
		return (
			(((BinaryAns) key).getAnswerValue(0)
				== ((BinaryAns) ans).getAnswerValue(0))
				&& (((BinaryAns) key).getAnswerValue(1)
					== ((BinaryAns) ans).getAnswerValue(1)));
	}

}