OOP example commit.

HelloWorld.cs

-using System;
-using System.IO;
-using System.Collections.Generic;
-using System.Diagnostics;
-
-public class LinearSearch{
-  public static void Main(String[] args){
-    StreamReader file = new StreamReader("million.txt");
-
-    string line;
-    string search;
-    string[] separator =  {"<SEP>"};
-    string artist;
-    string title;
-    //List<string> songs = new List<string>();
-    List<Song> songs = new List<Song>();
-
-    //Writes file to memory
-    // while((line = file.ReadLine()) != null){
-    //   string[] parts = line.Split(separator, StringSplitOptions.None);
-    //   artistsong = (parts[2] + " - " + parts[3]);
-    //   songs.Add(artistsong);
-    // }
-    while((line = file.ReadLine()) != null){
-      string[] parts = line.Split(separator, StringSplitOptions.None);
-      artist = parts[2];
-      title = parts[3];
-      songs.Add(new Song(title, artist));
-    }
-    Stopwatch swatch = new Stopwatch();
-
-    //Prompts user input
-    Console.WriteLine("Enter a song name: ");
-    search = Console.ReadLine();
-
-    //Returns results based on user input
-    Console.WriteLine("\nResults for " + search + ":");
-
-    swatch.Start();
-    foreach (Song s in songs) {
-       if (s.title == search) {
-         Console.WriteLine("\n" + s.artist + " - " + s.title);
-       }
-    }
-    swatch.Stop();
-
-    //Prints elapsed time for searching
-    Console.WriteLine("\nTime elapsed : {0} milliseconds", swatch.ElapsedMilliseconds);
-
-    // while((line = file.ReadLine()) != null){
-    //   string[] parts = line.Split(separator, StringSplitOptions.None);
-    //   foreach (var part in parts){
-    //     Console.WriteLine(part);
-    //   }
-      //Console.ReadLine();
-
-      // Console.WriteLine("Read line: " + );
-      // Console.ReadLine();
-
-    //}
-  }
-}

Song.cs

-using System;
-using System.IO;
-using System.Collections.Generic;
-
-public class Song{
-  public Song(string title_, string artist_){
-    // line = line_;
-    title = title_;
-    artist = artist_;
-  }
-
-  // public string line;
-  public string title;
-  public string artist;
-  // string[] separator =  {"<SEP>"};
-  // List<Song> songs = new List<Song>();
-
-  // public static void memAdd(){
-  //   while((line = file.ReadLine()) != null){
-  //     string[] parts = line.Split(separator, StringSplitOptions.None);
-  //     foreach (var part in parts){
-  //       songs.Add(new Song(title, artist));
-  //       Console.WriteLine(part);
-  //     }
-  //   }
-  // }
-};

oopexample/.gitignore

+*.class

oopexample/Main.java

+public class Main{
+
+  public static void main(String[] args){
+    //Creates a new instance of the class Meme.
+    //The Meme() method takes three arguments as you can see when looking at
+    //the constructor for it.
+    Meme beAdvised = new Meme("Be Advised", 100, true);
+    Meme trollFace = new Meme("Troll Face", 25, false);
+    //Calls the whatMeme() method specifically for the beAdvised meme.
+    //The method knows what the meme is called because of the Meme() constructor.
+    //So long as you keep creating new instances of a class, passing the
+    //constructor the approproate arguments, you can have infinite memes!
+    beAdvised.whatMeme();
+    trollFace.whatMeme();
+  }
+}

oopexample/Meme.java

+public class Meme{
+  //Class attributes
+  public String name;
+  public int memeScore;
+  public boolean isRelevant;
+
+  //Constructor method for meme. The variables used as arguments for this method
+  //are *temporary* variables and are only ever referred to here. It doesn't
+  //matter what they are called, as long as they are the variable types that you
+  //want.
+  public Meme(String n, int mS, boolean iR){
+    //Here you're converting the temporary variables that you get when a new class
+    //instance is created elsewhere (the Main for example) into the useable attributes
+    //of the class, the ones at the top.
+    //Any time a variable is referred to as "this.variable" it is referring to the variable
+    //of ONE specific instance of a class. So "this.name" for beAdvised is "Be Advised" and
+    //for trollFace it's "Troll Face".
+    this.name = n;
+    this.memeScore = mS;
+    this.isRelevant = iR;
+  }
+  //Methods can be called outside of this class with classInstanceName.methodName() - eg beAdvised.whatMeme();
+  public void whatMeme(){
+    //Again we're using this.variable to refer to the variable of ONE particular instance of this class
+    System.out.println("\nThis meme is called " + this.name + ".");
+    System.out.println("Half of this meme's score is " + this.memeScore/2 + ".");
+    if(this.isRelevant){
+      System.out.println("I'm happy to announce that this meme is relevant.");
+    }
+    else{
+      System.out.println("Seems you've got a dirty, irrelevant meme here, son.");
+    }
+  }
+
+}