问题:
1. public class A {
2. public void doit() {
3. }
4. public String doit() {
5. return “a”;
6. }
7. public double doit(int x) {
8. return 1.0;
9. }
10.}
What is the result?()
A . An exception is thrown at runtime.
B . Compilation fails because of an error in line 7.
C . Compilation fails because of an error in line 4.
D . Compilation succeeds and no runtime errors with class A occur.
1. public class A {
2. public void doit() {
3. }
4. public String doit() {
5. return “a”;
6. }
7. public double doit(int x) {
8. return 1.0;
9. }
10.}
What is the result?()
● 参考解析
本题暂无解析
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