Helping Information

In this tutorial, we will learn how to copy files in Java.Copy FileThe Java File class doesn't provide any method to copy one file to another. However, we can use Java I/O Streams to read content from one file and write to another.Example: Copy files using i/o streamsimport java.io.FileInputStream;import java.io.FileOutputStream;class Main {  public static void … Continue reading Java Program to Copy File

In this tutorial, we will learn how to list all the files and sub-directories present inside a directory.List of DirectoryThe "list()" method of the Java File class is used to list all the files and sub-directories present inside a directory. It returns all the files and directories as a string array.Example: List all files using … Continue reading Java Program to List Files in a Directory

In this tutorial, we will learn how to rename file in Java.Rename the FileThe Java File class provides the "renameTo()" method to change the name of the file. It returns "true" if the renaming operation succeeds otherwise returns "false".Example: Rename a File in Javaimport java.io.File;class Main {  public static void main(String[] args) {    // … Continue reading Java Program to Rename File

In this example, we will learn how to create directories in Java. Create a DirectoryThe Java File class provides the "mkdir()" method to create a new directory. The method returns."true" if the new directory is created."false" if the directory already exists.Example: Create a new directory in Javaimport java.io.File;class Main {  public static void main(String[] args) {  … Continue reading Java Program to Create Directories

In this program, you'll learn to find and display the ASCII value of a character in Java. This is done using type-casting and normal variable assignment operations.ASCII Value ChartExample: Find ASCII value of a characterpublic class AsciiValue {    public static void main(String[] args) {        char ch = 'a';        … Continue reading Java Program to Find ASCII Value of a character.