From 51cccccea4c184aaeefd84894af7a34b1992e2f5 Mon Sep 17 00:00:00 2001 From: Mehrdad Shirvani Date: Fri, 15 May 2026 17:30:41 +0330 Subject: [PATCH] feat: complete all files --- .gitignore | 4 ++- quotes.txt | 3 ++ .../CreatingFiles/CreateFileExample01.java | 32 ++++--------------- .../CreatingFiles/CreateFileExample02.java | 11 +------ .../ParsingJson/ParsingJsonExample01.java | 25 +++++++-------- .../ReadingFiles/ReadFileExample01.java | 17 ++++------ .../ReadingFiles/ReadFileExample02.java | 14 ++++---- .../WritingFiles/WriteFileExample01.java | 24 ++++++++++---- .../WritingFiles/WriteFileExample02.java | 24 ++++---------- 9 files changed, 61 insertions(+), 93 deletions(-) create mode 100644 quotes.txt diff --git a/.gitignore b/.gitignore index 480bdf5..900d356 100644 --- a/.gitignore +++ b/.gitignore @@ -36,4 +36,6 @@ build/ .vscode/ ### Mac OS ### -.DS_Store \ No newline at end of file +.DS_Store + +examples*.txt \ No newline at end of file diff --git a/quotes.txt b/quotes.txt new file mode 100644 index 0000000..9b392c1 --- /dev/null +++ b/quotes.txt @@ -0,0 +1,3 @@ +I'm not superstitious, but I am a little stitious. +I am running away from my responsibilities. And it feels good. +I DECLARE BANKRUPTCY! \ No newline at end of file diff --git a/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample01.java b/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample01.java index c1bda54..906a71c 100644 --- a/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample01.java +++ b/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample01.java @@ -5,39 +5,21 @@ import java.io.IOException; public class CreateFileExample01 { static void main() { - File file = new File("quotes.txt"); - try { + File file = new File("texts/examples.txt"); + try + { if(file.createNewFile()) { - System.out.println("created new file"); + System.out.println("File created"); } else { - System.out.println("file already exists"); + System.out.println("File already exists"); } - } catch (IOException e) { - System.err.println(e.getMessage()); } - - - File newfile = new File("newfolder/quotes.txt"); - - try { - newfile.getParentFile().mkdirs(); - if(newfile.createNewFile()) - { - System.out.println("created new file"); - } - else - { - System.out.println("file already exists"); - } - } catch (IOException e) { + catch(IOException e) + { System.err.println(e.getMessage()); } } - //TODO: 1. Create File - //TODO: 2. Specify and address and directory that exists - //TODO: 3. Specify and address and directory that does not exists - //TODO: 4. } diff --git a/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample02.java b/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample02.java index baaeace..c30e324 100644 --- a/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample02.java +++ b/src/main/java/org/FileExamples/CreatingFiles/CreateFileExample02.java @@ -6,20 +6,11 @@ import java.nio.file.Path; public class CreateFileExample02 { public static void main(String[] args) { - Path path = Path.of("quotes.txt"); + Path path = Path.of("exmaples.txt"); try { Files.createFile(path); } catch (IOException e) { System.err.println(e.getMessage()); } - - - Path newPath = Path.of("newfolder/quotes.txt"); - try { -// Files.createDirectories(newPath.getParent()); - Files.createFile(newPath); - } catch (IOException e) { - System.err.println(e.getMessage()); - } } } diff --git a/src/main/java/org/FileExamples/ParsingJson/ParsingJsonExample01.java b/src/main/java/org/FileExamples/ParsingJson/ParsingJsonExample01.java index ba7732e..4f967d2 100644 --- a/src/main/java/org/FileExamples/ParsingJson/ParsingJsonExample01.java +++ b/src/main/java/org/FileExamples/ParsingJson/ParsingJsonExample01.java @@ -8,30 +8,29 @@ import java.lang.reflect.Type; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; +import java.util.ArrayList; import java.util.List; public class ParsingJsonExample01 { static void main() { - try - { - Path path = Path.of("data.json"); - String jsonString = new String(Files.readAllBytes(path)); - Gson gson = new Gson(); - JsonObject rootObject = JsonParser.parseString(jsonString).getAsJsonObject(); - JsonPrimitive jsonPrimitive = rootObject.getAsJsonPrimitive("total"); - System.out.println(jsonPrimitive.getAsInt()); + try { + Path path = Path.of("data.json"); + String texts = new String(Files.readAllBytes(path)); + + JsonObject rootObject = JsonParser.parseString(texts).getAsJsonObject(); JsonArray genresArray = rootObject.getAsJsonArray("genres"); + Gson gson = new Gson(); Type type = new TypeToken>(){}.getType(); + List genres = gson.fromJson(genresArray, type); - for(Genre genre : genres) + + for(Genre genre: genres) { - System.out.println(genre.getId() + ". " + genre.getName()); + System.out.println(genre.getId() + ". " + genre.getName()); } - } - catch (IOException e) - { + } catch (IOException e) { throw new RuntimeException(e); } } diff --git a/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample01.java b/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample01.java index 298ff54..24cf1fc 100644 --- a/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample01.java +++ b/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample01.java @@ -6,22 +6,17 @@ import java.util.Scanner; public class ReadFileExample01 { static void main() { - try - { - File file = new File("example.txt"); + File file = new File("quotes.txt"); + try { Scanner reader = new Scanner(file); - while(reader.hasNextLine()) + + while(reader.hasNext()) { String line = reader.nextLine(); System.out.println(line); } - reader.close(); - } - catch (FileNotFoundException e) - { - throw new RuntimeException(e); - } - + } catch (FileNotFoundException e) { + } } } diff --git a/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample02.java b/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample02.java index f074ab9..b245a14 100644 --- a/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample02.java +++ b/src/main/java/org/FileExamples/ReadingFiles/ReadFileExample02.java @@ -7,18 +7,16 @@ import java.util.List; public class ReadFileExample02 { static void main() { - try - { - Path path = Path.of("example.txt"); + Path path = Path.of("quotes.txt"); + try { List lines = Files.readAllLines(path); - for(String line: lines) + + for(String line : lines) { System.out.println(line); } - } - catch (IOException e) - { - System.err.println("Something went wrong"); + } catch (IOException e) { + throw new RuntimeException(e); } } } diff --git a/src/main/java/org/FileExamples/WritingFiles/WriteFileExample01.java b/src/main/java/org/FileExamples/WritingFiles/WriteFileExample01.java index a3acd05..3b4061c 100644 --- a/src/main/java/org/FileExamples/WritingFiles/WriteFileExample01.java +++ b/src/main/java/org/FileExamples/WritingFiles/WriteFileExample01.java @@ -5,21 +5,31 @@ import java.io.IOException; public class WriteFileExample01 { static void main() { - try { - FileWriter fileWriter = new FileWriter("quotes.txt"); + + try + { + FileWriter fileWriter = new FileWriter("examples2.txt"); fileWriter.write("I'm not superstitious, but I am a little stitious.\n"); fileWriter.write("I am running away from my responsibilities. And it feels good.\n"); + fileWriter.close(); - } catch (IOException e) { + System.out.println("Done."); + } + catch (IOException e) + { System.err.println(e.getMessage()); } - - try { - FileWriter fileWriter = new FileWriter("quotes.txt", true); + try + { + FileWriter fileWriter = new FileWriter("examples2.txt", true); fileWriter.write("I DECLARE BANKRUPTCY!"); + fileWriter.close(); - } catch (IOException e) { + System.out.println("Done."); + } + catch (IOException e) + { System.err.println(e.getMessage()); } diff --git a/src/main/java/org/FileExamples/WritingFiles/WriteFileExample02.java b/src/main/java/org/FileExamples/WritingFiles/WriteFileExample02.java index 8a7c55e..608ae73 100644 --- a/src/main/java/org/FileExamples/WritingFiles/WriteFileExample02.java +++ b/src/main/java/org/FileExamples/WritingFiles/WriteFileExample02.java @@ -11,28 +11,16 @@ import java.util.List; public class WriteFileExample02 { static void main() { + List lines = List.of( + "Line 1", + "Line 2" + ); - + Path path = Path.of("examples2.txt"); try { - Path path = Path.of("quotes.txt"); - List lines = List.of( - "I'm not superstitious, but I am a little stitious.", - "I am running away from my responsibilities. And it feels good." - ); Files.write(path, lines); } catch (IOException e) { - throw new RuntimeException(e); - } - - - try { - Path path = Path.of("quotes.txt"); - List lines = List.of( - "I DECLARE BANKRUPTCY!" - ); - Files.write(path, lines, StandardOpenOption.APPEND); - } catch (IOException e) { - throw new RuntimeException(e); + System.err.println(e.getMessage()); } } }