Given a URL as string, we need to find if the given URL is valid or not.
Input : str = "https://www.geeksforgeeks.org/" Output : Yes Input : str = "https:// www.geeksforgeeks.org/" Output : No Note that there is a space after https://
Using java.net.url
We can use java.net.url class to validate a URL. The idea is to create a URL object from the specified String representation. If we do not get exception while creating the object, we return true. Else we return false.
// Java program to check if a URL is valid // using java.net.urlimport java.net.URL; class Test { /* Returns true if url is valid */ public static boolean isValid(String url) { /* Try creating a valid URL */ try { new URL(url).toURI(); return true; } // If there was an Exception // while creating URL object catch (Exception e) { return false; } } /*driver function*/ public static void main(String[] args) { if (isValid(url1)) System.out.println("Yes"); else System.out.println("No"); if (isValid(url2)) System.out.println("Yes"); else System.out.println("No"); }} |
Output:
Yes No
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