下面的程序中，哪行会报错？ publicclassStaticTest{ intage; Stringname; staticinttotalFee=500; publicvoidshowName(){ System.out.print(this.name); } publicstaticvoidshowTotalFee(){ line1：System.out.print(totalFee); line2：showName(); } publicstaticvoidmain(String[]args){ line3：StaticTest.showTotalFee(); } }