Java Thread setContextClassLoader()方法
java.lang.Thread.setContextClassLoader() 方法为线程设置上下文ClassLoader。创建线程时可以设置上下文ClassLoader。它允许线程的创建者通过getContextClassLoader提供适当的类加载器,以在加载类和资源时在线程中运行的代码。
1 语法
public void setContextClassLoader(ClassLoader cl)
2 参数
cl: 这是线程的上下文ClassLoader。
3 返回值
无
4 示例
package com.yiidian;
/**
* 一点教程网: http://www.yiidian.com
*/
/**
* java.lang.Thread.setContextClassLoader()方法的例子
*/
public class Demo implements Runnable
{
public void run()
{
System.out.println("Thread is running");
// returns the context ClassLoader for currently running thread
ClassLoader loader = Thread.currentThread().getContextClassLoader();
// sets the context ClassLoader for currently running thread
Thread.currentThread().setContextClassLoader(loader);
System.out.println("Context ClassLoader = " + loader);
}
public static void main(String args[])
{
Demo g1 = new Demo();
Thread t1 = new Thread(g1);
// call run() method
t1.start();
}
}
输出结果为:
Thread is running
Context ClassLoader = sun.misc.Launcher$AppClassLoader@58644d46
热门文章
优秀文章