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Ch 1 Overview - Coggle Diagram

- - - - Question: But isn't how do we distinguish a folder from a file, or is it automatically categorized in the file class
      - Functions:
        
        getName()
        
        canWrite()
        
        isHidden()
        
        length()
    - - for(String filename: filenames)
- - - - Deserialization is the process of reconstructing a data structure or object from a series of bytes or a string in order to instantiate the object for consumption.
- - - - int assivalue1 = ch1;
- - - - create files or directoris
      - delete and rename directories or files
  - - - automatically creates a new, empty file names by this abstract if and only if a file of this name doesn't exist.
      - if exists-> result would be false
      - can serve as a boolean
    - - If not specified->current directory
      - It only searches the current directory
- - - - FileInputStream fin = new FileInputStream(absolute path);
      - int i = fin.read();
      - System.out.print((char) i);
      - while((i = fin.read()) != -1){ System.out.print((char) i)}
      - fin.close();
    - - FileReader is used to read data from the file
      - It return data in byte format like FileInputStream class
    - - No need to convert string to byte array