我用 java 创建了这两个文件,但它们无法编译。出现此错误:
cannot find symbol C02FootprintV1".
为什么程序无法识别该对象?我对此很陌生。
如何解决这个问题?
public class CO2FootprintV1 {
private double myGallonsUsed;
private double myTonsCO2;
private double myPoundsCO2;
CO2FootprintV1(double gals) {
myGallonsUsed = gals;
}
public void calcTonsCO2() {
myTonsCO2 = myGallonsUsed * 0.878;
}
public double getTonsCO2() {
return myTonsCO2;
}
public void convertTonsToPoundsCO2() {
myPoundsCO2 = myTonsCO2 * 220462262;
}
public double getPoundsCO2() {
return myPoundsCO2;
}
}
public class CO2FootprintV1Tester {
public static void main(String[] args) {
double gals;
double tonsCO2, poundsCO2;
gals = 1300;
CO2FootprintV1 object = new C02FootprintV1(gals);
object.calcTonsCO2();
tonsCO2 = object.getTonsCO2();
object.convertTonsToPoundsCO2();
poundsCO2 = object.getPoundsCO2();
}
}
最佳答案
上线
CO2FootprintV1 object = new C02FootprintV1(gals);
你的右手边有C02
(见零二),你的意思是
CO2FootprintV1 object = new CO2FootprintV1(gals);
或CO2
(参见哦二)。另外,您应该考虑您的工具给您提供的错误消息可能是正确的。
关于java - 无法创建新对象,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27626594/