JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How To Create Java File URL object


Description:

We can also create URL objects for files too. Below example shows how to create URL object for a given file. The syntax is just pass the file path after "file://".


Code:
package com.myjava.url;

import java.net.MalformedURLException;
import java.net.URL;

public class MyFileUrl {

    public static void main(String a[]){
        try {
            URL url = new URL("file://c:/Perl");
            System.out.println(url.toString());
        } catch (MalformedURLException ex) {
            ex.printStackTrace();
        }
        
    }
}

Example Output

file://c:/Perl

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A race condition is a situation in which two or more threads or processes are reading or writing some shared data, and the final result depends on the timing of how the threads are scheduled. Race conditions can lead to unpredictable results and subtle program bugs. A thread can prevent this from happening by locking an object. When an object is locked by one thread and another thread tries to call a synchronized method on the same object, the second thread will block until the object is unlocked.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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