VOID STACK<T,SIZE>::PUSH（T T）{
IF(CURRENT==SIZE){
COUT<<"THE STACK IS FULL!"<<ENDL;EXIT(0);}
ELSE{X[CURRENT]=T;CURRENT++;}
}
T STACK<T,SIZE>::POP（）{
IF(CURRENT==0){
COUT<<"THERE IS NO OBJECT IN THE STACK!"<<ENDL;EXIT(0);}
ELSE{T A=X[CURRENT-1];CURRENT--;RETURN A;}
}
