类型A已经定义了错误 [英] Type A is already defined error
本文介绍了类型A已经定义了错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我试图搜索解决方案,但是我发现我不知道如何在这种情况下应用。请帮我纠正我的代码。
I tried to search for the solution, but what I found I don't know how to apply in this situation. Please help me correct my code.
package Exercise;
public class Ex11_11 {
public static void main(String[] args) {
A a = new A(3);
}
}
class A extends B { // type A is already defined, A has a red underline
public A (int t) {
System.out.println("A's constructor is invoked");
}
}
class B { // type B is already defined, B has a red underline
public B () {
System.out.println("B's constructor is invoked");
}
}
推荐答案
,首先要检查的是,您的文件或同一个软件包中是否有另一个类别 A
。
Well, the first thing to check is obviously whether or not you have another class called A
in your file or in the same package.
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