ClassLoader類findResources()方法 (ClassLoader Class findResources() method)
findResources() method is available in java.lang package.
findResources()方法在java.lang包中可用。
findResources() method is used to find all the resources with the given resource name in the enumeration of URL objects.
findResources()方法用于在URL對象的枚舉中查找具有給定資源名稱的所有資源。
findResources() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
findResources()方法是一個非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。
findResources() method may throw an exception at the time of finding the resources.
findResources()方法在查找資源時可能會引發異常。
IOException: This exception may throw during I/O error.
IOException ：在I / O錯誤期間可能引發此異常。
Syntax:
句法：
protected Enumeration findResources(String resource_name);
Parameter(s):
參數：
String resource_name – represents the name of the resource.
字符串resource_name –表示資源的名稱。
Return value:
返回值：
The return type of this method is Enumeration, it returns an enumeration of URL object for the given resources.
此方法的返回類型為Enumeration ，它返回給定資源的URL對象的枚舉。
Example:
例：
// Java program to demonstrate the example
// of Enumeration findResources(String resource_name)
// method of ClassLoader
import java.util.*;
import java.io.*;
class FindResources extends ClassLoader {
void findResources() {
try {
// It checks whether the given resources is found
// or not by using the findResources()
Enumeration en = super.findResources("getProperties().doc");
// If en not null that means en found
// then don't need to load again
if (en != null)
System.out.println("Resources Found: " + en.toString());
else
System.out.println("Resources Not Found!!!");
} catch (IOException ex) {
System.out.println(ex.toString());
}
}
}
public class Main {
public static void main(String[] args) throws Exception {
// Creating an instance of FindResources
FindResources fr = new FindResources();
fr.findResources();
}
}
Output
輸出量
Resources Found: [email?protected]
翻譯自: https://www.includehelp.com/java/classloader-findresources-method-with-example.aspx
