cannot resolve symbol
public class Garde{
public static void main(String[] args) {
int testscore = DialogBox.requestInt("Please input a int number: ");
char grade;
if (testscore >= 90) {
grade = 'A';
} else if (testscore >= 80) {
grade = 'B';
} else if (testscore >= 70) {
grade = 'C';
} else if (testscore >= 60) {
grade = 'D';
} else {
grade = 'F';
}
Transcript.println("Grade = " + grade);
}
}
编译时出现2个错误:1. cannot resolve symbol
symbol:variable DialogBox
location:class Garde int testscore = DialogBox.requestInt("Please input a int number: ");
2. cannot resolve symbol
symbol:variable Transcript
location:class Garde Transcript.println("Grade = " + grade);
这2个错误是什么错误哦?为什么会产生这个错误?
是不是因为没有写 import 引入类包的原因?