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Java – Run Garbage Collection Process

[code lang=”java”]public class RunTheGarbageCollector {

public static void main(String[] args) {

/*
* To run the garbage collector thread use
* public static void gc() method of System class.
*
* Please note that, calling this method only suggest JVM
* to run the garbage collection process. It does not guarantee
* that all eligible objects will be garbage collected.
*/

System.out.println("Suggesting VM to run garbage collector");
System.gc();
System.out.println("Suggested VM to garbage collect objects");
}

}[/code]


Java – URL Validation using Commons UrlValidator

[code lang=”java”]import org.apache.commons.validator.UrlValidator;

public class ValidateUrlExample {

public static void main(String[] args) {

UrlValidator urlValidator = new UrlValidator();

//valid URL
if (urlValidator.isValid("http://www.javac.in")) {
System.out.println("url is valid");
} else {
System.out.println("url is invalid");
}

//invalid URL
if (urlValidator.isValid("http://invalidURL^$&%$&^")) {
System.out.println("url is valid");
} else {
System.out.println("url is invalid");
}

}
}[/code]