Java - file operations

• Java - append text to existing file
• Java - check if file exists
• Java - check if file is directory
• Java - check if file is regular file
• Java - copy file example
• Java - create and write file
• Java - create directory using mkdir()
• Java - create directory with subdirectory
• Java - create multiple subfolders
• Java - delete directory
• Java - file delete
• Java - find file by filename inside directory
• Java - get directories from a specific directory (recursive)
• Java - get file information
• Java - get file size
• Java - get list of files and directories from directory
• Java - get metadata of the file
• Java - get regular files from directory (recursively)
• Java - list all directories from directory
• Java - list all files from directory
• Java - save string to file