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package com.state;
public class KissingPrincess {
// ±ê־룬±êÖ¾ÊÇÇàÍÜ»¹ÊÇÍõ×Ó¡£
private boolean isFrog = true;
// ¸ù¾ÝisFrog½øÐв»Í¬µÄ²Ù×÷¡£
public void greet() {
if (isFrog)
......