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装入器

网络loader; General Dynamics Decision Systems

装入器

网络释义

装入器

loader

未分类 - - Nicolas’ Blog - Upholstery ... loaded 已载入（的） loader 装入器 loading 装入 ...

General Dynamics Decision Systems

...单兵定位仪(Cubic公司研制)，KY-913程式装入器（General Dynamics Decision Systems 公司研制）。

例句：

Unlike all other class loaders , the bootstrap class loader (also known as the primordial class loader) cannot be instantiated by Java code .

与其他类装入器不同，引导类装入器（也称作基本（primordial ）类装入器）不能由 Java 代码实例化。

When one of these methods is invoked , the class whose name is specified as an argument is loaded by the class loader .

当调用其中一个方法的时候，指定的类（以类名为参数）由类装入器装入。

Using the information provided in the Javadump, it is possible to ascertain which class loaders exist within the system .

使用 Javadump 提供的信息，可以确定系统中存在哪些类装入器。

The extension class loader (also known as the standard extensions class loader) is a child of the bootstrap class loader.

扩展（extension ）类装入器（也称作标准扩展类装入器）是引导类装入器的一个孩子。

The complete set of class loaders make up a tree-structured hierarchy with different types of classes loaded at each level .

整个类装入器集合形成了树状结构的层次结构，在其每个层次上都可装入不同类型的类。

Obviously , to fix the problem in this particular example , class B must be present on the classpath of a suitable class loader.

显然，要修复这个特殊示例中的问题，在对应的类装入器的类路径中，必须存在类 B 。

The JVM verifies all classes in class loaders and ensures that applications do not perform any dangerous operations .

JVM 验证类装入器中所有的类并确保应用程序不会执行任何危险操作。

By default, this class loader is the parent of any class loader created by the user .

默认情况下，这个类装入器是用户创建的任何类装入器的父类。

Because class loaders tend to be small , this overhead should not be high .

因为类装入器往往比较小，所以这个开销不会大。

As an example of a class loader hierarchy in action , Figure 1 shows the class loader hierarchy defined by the Tomcat servlet engine .

作为类装入器层次结构的实际示例，图 1 显示了 Tomcatservlet 引擎定义的类装入器层次结构。

If the parent returns null (or throws a ClassNotFoundException), then the class loader searches its own path for the source of the class .

如果父类返回 null （或抛出 ClassNotFoundException ），那么类装入器会在自己的路径中寻找类的源。

In this type of environment , keeping track of the proper loader to use for requesting a new class can be messy .

在这种环境中，跟踪合适的装入器以用于请求新类会很混乱。

The test case creates two class loaders, each with what appears to be the same classpath .

测试用例创建了两个类装入器，每个类装入器使用的类路径看起来相同。

Importantly , the SerializationClass class has a reference to its defining class loader , and so it cannot be completely dereferenced either.

重要的是，SerializationClass 类有一个到其定义类装入器的引用，所以它也不可能完整地取消引用。

Output is only produced for class loaders that extend java. net. URLClassLoader.

只有扩展了 java.net.URLClassLoader 的类装入器才有输出。

This implementation assumes that all classes required are on the classpath of this class loader.

这个实现假设所有需要的类都在这个类装入器的类路径中。

There's a bootstrap class loader built into the JVM that's responsible for loading the basic Java class library classes.

JVM 中构建了一个引导程序类装入器，它负责装入基本的 Java 类库类。

This means that it now finds java. lang. Object loaded by the bootstrap class loader.

这意味着它现在找到了通过引导类装入器装入的 java .

Because the classpath of cl1 is regarded as a directory , that class loader is able to find class Z in that location and is able to load it .

因为 cl1 的类路径被当作目录，所以这个类装入器能够找到在这个位置的类 Z ，并能够装入它。

装入器

装入器

loader

General Dynamics Decision Systems

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