简单语音计算器元代码

自己写的packageclf.jiandanjisuanqi;/***CreatedbyAdministratoron2014/8/17.*/publicclassYunSuanChuLi{protecteddoubleYunSuan(doublea,doubleb,chartype){doublesum=0;switch(type){case'+':sum=a+b;break;case'-