{"id":2968,"date":"2019-12-13T08:46:06","date_gmt":"2019-12-13T07:46:06","guid":{"rendered":"https:\/\/www.webotlet.hu\/?p=2968"},"modified":"2019-12-13T08:47:54","modified_gmt":"2019-12-13T07:47:54","slug":"java-programozas-2019-majusi-idegen-nyelvu-emelt-informatika-erettsegi-tantargyfelosztas-1-verzio","status":"publish","type":"post","link":"https:\/\/www.webotlet.hu\/?p=2968","title":{"rendered":"Java programoz\u00e1s \u2013 2019 m\u00e1jusi idegen nyelv\u0171 emelt informatika \u00e9retts\u00e9gi \u2013 tant\u00e1rgyfeloszt\u00e1s (1. verzi\u00f3)"},"content":{"rendered":"

A feladat le\u00edr\u00e1s\u00e1t, melynek a megold\u00e1s\u00e1t k\u00f6zz\u00e9teszem innen<\/a> t\u00f6ltheted le. Ez a megold\u00e1s t\u00f6mbbel dolgozik. Az adatt\u00e1rol\u00f3 oszt\u00e1lyban egy \u00faj tulajdons\u00e1got is felveszek. Ez a feladat szerintem t\u00fal k\u00f6nny\u0171 volt \ud83d\ude42
\nAdatt\u00e1rol\u00f3 oszt\u00e1ly:<\/p>\n

\r\n\/**\r\n *\r\n * @author https:\/\/webotlet.hu\r\n *\/\r\npackage webotlet_19majma_tantargyfelosztas;\r\n\r\npublic class Adat\r\n{\r\n  private String tanar;\r\n  private String tantargy;\r\n  private String osztaly;\r\n  private int db;\r\n  private boolean osztalyfonok;\r\n  \r\n  public Adat(String sor1, String sor2, String sor3, String sor4)\r\n  {\r\n    tanar = sor1;\r\n    tantargy = sor2;\r\n    osztaly = sor3;\r\n    db = Integer.parseInt(sor4);\r\n    if( tantargy.equals("osztalyfonoki"))\r\n    {\r\n      osztalyfonok = true;\r\n    }\r\n  }\r\n\r\n  public String getTanar()\r\n  {\r\n    return tanar;\r\n  }\r\n\r\n  public String getTantargy()\r\n  {\r\n    return tantargy;\r\n  }\r\n\r\n  public String getOsztaly()\r\n  {\r\n    return osztaly;\r\n  }\r\n\r\n  public int getDb()\r\n  {\r\n    return db;\r\n  }\r\n\r\n  public boolean isOsztalyfonok()\r\n  {\r\n    return osztalyfonok;\r\n  }\r\n\r\n  @Override\r\n  public String toString()\r\n  {\r\n    return "Adat{" + "tanar=" + tanar + ", tantargy=" \r\n      + tantargy + ", osztaly=" + osztaly + ", db=" \r\n      + db + ", osztalyfonok=" + osztalyfonok + '}';\r\n  }\r\n}\r\n<\/pre>\n
A feladat megold\u00e1sai:<\/p>\n
\r\n\/**\r\n *\r\n * @author https:\/\/webotlet.hu\r\n *\/\r\npackage webotlet_19majma_tantargyfelosztas;\r\n\r\nimport java.io.IOException;\r\nimport java.io.RandomAccessFile;\r\nimport java.util.Scanner;\r\n\r\npublic class Webotlet_19majma_tantargyfelosztas\r\n{\r\n\r\n  public static void main(String[] args)\r\n  {\r\n    Adat[] adatok = null;\r\n    try\r\n    {\r\n      RandomAccessFile raf = new RandomAccessFile("beosztas.txt", "r");\r\n      String sor;\r\n      int db = 0;\r\n      for( sor = raf.readLine(); sor != null; sor = raf.readLine() )\r\n      {\r\n        db++;\r\n      }\r\n      \r\n      adatok = new Adat[db \/ 4];\r\n      raf.seek(0);\r\n      \r\n      int hely = 0;\r\n      for( sor = raf.readLine(); sor != null; sor = raf.readLine() )\r\n      {\r\n        adatok[hely] = new Adat(sor, raf.readLine(),\r\n          raf.readLine(), raf.readLine());\r\n        hely++;\r\n      }\r\n      raf.close();\r\n    }\r\n    catch( IOException e )\r\n    {\r\n      System.out.println("HIBA");\r\n    }\r\n    \r\n\/\/    for( int i = 0; i < adatok.length; i++ )\r\n\/\/    {\r\n\/\/      System.out.println(adatok[i].toString());\r\n\/\/    }\r\n\r\n    System.out.println("2. feladat");\r\n    System.out.println("A fajlban " + adatok.length\r\n      + " bejegyzes van.");\r\n    \r\n    System.out.println("3. feladat");\r\n    int orak = 0;\r\n    for( int i = 0; i < adatok.length; i++ )\r\n    {\r\n      orak += adatok[i].getDb();\r\n    }\r\n    \r\n    System.out.println("Az iskolaban a heti osszoraszam: " + orak);\r\n    \r\n    System.out.println("4. feladat");\r\n    Scanner sc = new Scanner(System.in);\r\n    System.out.print("Egy tanar neve= ");\r\n    String tanar = sc.nextLine();\r\n    int tanarOrak = 0;\r\n    for( int i = 0; i < adatok.length; i++ )\r\n    {\r\n      if( adatok[i].getTanar().equals(tanar) )\r\n      {\r\n        tanarOrak += adatok[i].getDb();\r\n      }\r\n    }\r\n    \r\n    System.out.println("A tanar heti oraszama: " + tanarOrak);\r\n    \r\n    try\r\n    {\r\n      RandomAccessFile ki = new RandomAccessFile("of.txt", "rw");\r\n      ki.setLength(0);\r\n      for( int i = 0; i < adatok.length; i++ )\r\n      {\r\n        if( adatok[i].isOsztalyfonok() )\r\n        {\r\n          ki.writeBytes(adatok[i].getOsztaly() + " - "\r\n            + adatok[i].getTanar() + "\\n");\r\n        }\r\n      }\r\n    }\r\n    catch( IOException e )\r\n    {\r\n      System.out.println("HIBA");\r\n    }\r\n    \r\n    System.out.println("6. feladat");\r\n    System.out.print("Osztaly= ");\r\n    String osztaly = sc.nextLine();\r\n    System.out.print("Tantargy= ");\r\n    String tantargy = sc.nextLine();\r\n    int db = 0;\r\n    for( int i = 0; i < adatok.length; i++ )\r\n    {\r\n      if( adatok[i].getOsztaly().equals(osztaly)\r\n        && adatok[i].getTantargy().equals(tantargy) )\r\n      {\r\n        db++;\r\n      }\r\n    }\r\n    \r\n    if( db == 2 ) \/\/ feltetelezzuk, hogy nincs nagyobb bontas\r\n    {\r\n      System.out.println("Csoportbontasban tanuljak.");\r\n    }\r\n    else\r\n    {\r\n      System.out.println("Osztalyszinten tanuljak.");\r\n    }\r\n    \r\n    System.out.println("7. feladat");\r\n    \r\n    String[] tanarok = new String[adatok.length];\r\n    int hely = 0;\r\n    for( int i = 0; i < adatok.length; i++ )\r\n    {\r\n      boolean benne = false;\r\n      for( int j = 0; j < hely; j++ )\r\n      {\r\n        if( tanarok[j].equals(adatok[i].getTanar()) )\r\n        {\r\n          benne = true;\r\n          break;\r\n        }\r\n      }\r\n      \r\n      if( !benne )\r\n      {\r\n        tanarok[hely] = adatok[i].getTanar();\r\n        hely++;\r\n      }\r\n    }\r\n    \r\n    System.out.println("Az iskolaban " + hely + " tanar tanit.");\r\n  }\r\n  \r\n}\r\n<\/pre>\n
Ha hib\u00e1t tal\u00e1lsz benne, k\u00e9rlek jelezd!<\/p>\n","protected":false},"excerpt":{"rendered":"
A feladat le\u00edr\u00e1s\u00e1t, melynek a megold\u00e1s\u00e1t k\u00f6zz\u00e9teszem innen t\u00f6ltheted le. Ez a megold\u00e1s t\u00f6mbbel dolgozik. Az adatt\u00e1rol\u00f3 oszt\u00e1lyban egy \u00faj tulajdons\u00e1got is felveszek. Ez a feladat szerintem t\u00fal k\u00f6nny\u0171 volt \ud83d\ude42 Adatt\u00e1rol\u00f3 oszt\u00e1ly: \/** * * @author https:\/\/webotlet.hu *\/ package Tov\u00e1bb   Java programoz\u00e1s \u2013 2019 m\u00e1jusi idegen nyelv\u0171 emelt informatika \u00e9retts\u00e9gi \u2013 tant\u00e1rgyfeloszt\u00e1s (1. verzi\u00f3)<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[108,107,109,86,144,143,183,25,26,15],"class_list":["post-2968","post","type-post","status-publish","format-standard","hentry","category-java-emelt-erettsegi-feladatok","tag-emelt","tag-emelt-erettsegi","tag-emelt-informatika-erettsegi","tag-java","tag-java_programozas","tag-programozas","tag-programozas-feladat","tag-randomaccessfile","tag-szovegfajl","tag-tomb"],"_links":{"self":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/2968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2968"}],"version-history":[{"count":3,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/2968\/revisions"}],"predecessor-version":[{"id":2973,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/2968\/revisions\/2973"}],"wp:attachment":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}