java - 程序抛出堆栈溢出错误

以下程序正确编译。是什么导致堆栈溢出错误？如何将异常推入堆栈？

public class Reluctant {

    private Reluctant internalInstance = new Reluctant();

    public Reluctant() throws Exception {
        throw new Exception("I’m not coming out");
    }

    public static void main(String[] args) {
        try {
            Reluctant b = new Reluctant();
            System.out.println("Surprise!");
        } catch (Exception ex) {
            System.out.println("I told you so");
        }
    }
}

最佳答案

您有一个字段初始化代码，它由javac编译器自动添加到构造函数主体中。实际上，您的构造函数如下所示：

private Reluctant internalInstance;

public Reluctant() throws Exception {
    internalInstance = new Reluctant();
    throw new Exception("I’m not coming out");
}

因此它以递归方式调用自己。