public static void main(String [] args) { System.out.println("---"); // Read the file File configFile = new File("src/main/resources/config.properties"); configFile.setReadOnly(); if (configFile.canWrite()) { System.out.println("Config file can be writtern"); } else { System....
You can use [Files.createFile(path)](https://docs.oracle.com/javase/7/docs/api/java/nio/file/Files.html#createFile(java.nio.file.Path, java.nio.file.attribute.FileAttribute...)) method to create a new File in Java: packagecom.callicoder;importjava.io.IOException;importjava.nio.file.Fi...
First, we’ll learn how to load a file from the classpath, a URL, or from a JAR file using standard Java classes. Second, we’ll see how to read the content withBufferedReader,Scanner,StreamTokenizer,DataInputStream,SequenceInputStream,andFileChannel. We will also discuss how to read a U...
Learn tocreate a new file and make the file read-only in Java. A read-only file can be opened for reading, but we cannot modify or delete the file contents. A read-only file or directory can be deleted if the file system permits. 1. UsingFile.setReadOnly() ThesetReadOnly()method ...
Technical tutorials, Q&A, events — This is an inclusive place where developers can find or lend support and discover new ways to contribute to the community.
When we want to copy an object in Java, there are two possibilities that we need to consider,a shallow copy and a deep copy. For the shallow copy approach, we only copy field values, therefore the copy might be dependant on the original object. In the deep copy approach, we make sure...
To make a window that is dependent on another window — disappearing when the other window is iconified, for example — use adialoginstead offrame.. To make a window that appears within another window, use aninternal frame. Creating and Showing Frames ...
If you're going to use JDialog directly, then you should understand the material in Using Top-Level Containers and How to Make Frames, especially Responding to Window-Closing Events. Even when you use JOptionPane to implement a dialog, you're still using a JDialog behind the scenes. The ...
Step 1: Choose Java Class File Drag the specified java class file to the upper area or click the above button to select the file, enter the verification code and confirm to upload the file. Step 2: Waiting for Decompilation Java class file will be decompiled after the file is uploaded. ...
The java.nio.file.Files class is a convenient class to easily append data to a file. Main.java import java.io.IOException; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Paths; import java.nio.file.StandardOpenOption; void main() throws ...