java类中静态块_java – 为什么.class不调用类中的静态块？
这是我有的代码：
public class StupidClass {
static {
System.out.println("Stupid class loaded!");
}
}
和我有的测试，我单独运行。
import org.junit.Test;
public class StupidTest {
@Test
public void foo() throws ClassNotFoundException {
final Class> stupidClass = Class.forName("StupidClass");
System.out.println(stupidClass.getSimpleName());
}
@Test
public void bar() throws ClassNotFoundException {
final Class stupidClassClass = StupidClass.class;
System.out.println(stupidClassClass.getSimpleName());
}
}
当我运行测试foo我会看到：
Stupid class loaded!
StupidClass
但是当我运行测试栏时，我看到的是：
StupidClass
报价从this页..
Class objects are constructed automatically by the Java Virtual
Machine as classes are loaded and by calls to the defineClass method
in the class loader.
所以我的理解是，在测试栏，Stupid类加载，否则我会看到一个null我猜？所以Class对象被创建，因为类本身被加载..
现在引用从this页
Static initialization blocks are run when the JVM (class loader – to
be specific) loads StaticClass (which occurs the first time it is
referenced in code).
所以我期待看到“愚蠢的类加载！文本在测试栏中，但我不是。
Each of the classes Candy, Gum, and Cookie has a static clause that is
executed as the class is loaded for the first time.
这是不是很准确的似乎..
我缺少什么？