java常用关键词关键字，方法源码解析

Posted 2022-10-28 wongandy

• transient
• volatile
• native
• final
• Integer
• String
• Class &&Object
• newInstance Class.forName,ClassLoader.loadClass
• ClassLoader .getResources(), ClassLoader.getSystemResources()

 

ClassLoader .getResources(), ClassLoader.getSystemResources()

 public Enumeration<URL> getResources(String name) throws IOException 
        @SuppressWarnings("unchecked")
        Enumeration<URL>[] tmp = (Enumeration<URL>[]) new Enumeration<?>[2];
        if (parent != null) 
            tmp[0] = parent.getResources(name);
         else 
            tmp[0] = getBootstrapResources(name);
        
        tmp[1] = findResources(name);

        return new CompoundEnumeration<>(tmp);
    

 public static Enumeration<URL> getSystemResources(String name)
        throws IOException
    
        ClassLoader system = getSystemClassLoader();
        if (system == null) 
            return getBootstrapResources(name);
        
        return system.getResources(name);