{"id":1183,"date":"2015-03-27T13:26:41","date_gmt":"2015-03-27T12:26:41","guid":{"rendered":"http:\/\/www.webotlet.hu\/?p=1183"},"modified":"2015-04-07T20:58:12","modified_gmt":"2015-04-07T18:58:12","slug":"java-programozas-idojaras-megoldasa","status":"publish","type":"post","link":"https:\/\/www.webotlet.hu\/?p=1183","title":{"rendered":"Java programoz\u00e1s – Id\u0151j\u00e1r\u00e1s megold\u00e1sa"},"content":{"rendered":"

Csak akkor olvass tov\u00e1bb, ha az id\u0151j\u00e1r\u00e1s<\/a> feladatot megoldottad, vagy nem siker\u00fclt megoldani.<\/strong><\/h3>\n

A let\u00f6lthet\u0151<\/a> t\u00f6m\u00f6r\u00edtett \u00e1llom\u00e1nyban megtal\u00e1lod a NetBeans-ben megnyithat\u00f3 projectet. Amennyiben Geany szerkeszt\u0151vel k\u00edv\u00e1nod megtekinteni a megold\u00e1st, akkor t\u00f6r\u00f6ld ki a forr\u00e1sok elej\u00e9r\u0151l a k\u00f6vetkez\u0151 sorokat:<\/p>\n

\r\npackage webotlet_idojaras;\r\n<\/pre>\n
A megold\u00e1sban k\u00e9t oszt\u00e1ly tal\u00e1lhat\u00f3. Az Ido oszt\u00e1ly felel\u0151s az adatt\u00e1rol\u00e1s\u00e9rt, a Webotlet_idojaras pedig a vez\u00e9rl\u0151program, mely a forr\u00e1s beolvas\u00e1s\u00e1t, valamint a feladatok megold\u00e1s\u00e1t tartalmazza.<\/p>\n
Ido oszt\u00e1ly az adatt\u00e1rol\u00e1sra:<\/h2>\n
\r\n\/**\r\n\u00a0*\r\n\u00a0* @author http:\/\/webotlet.hu\r\n\u00a0*\/\r\n\r\npackage webotlet_idojaras;\r\n\r\npublic class Ido\r\n{\r\n\u00a0 private String idokep;\r\n\u00a0 private int hom;\r\n\u00a0 private int szelirany;\r\n\u00a0 private int szelero;\r\n\u00a0 private int legnyomas;\r\n\u00a0 private double para;\r\n\u00a0 private int ora;\r\n\r\n\u00a0 public Ido( String[] tomb, int db )\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 idokep = tomb[0];\r\n\u00a0\u00a0\u00a0 hom = Integer.parseInt(tomb[1]);\r\n\u00a0\u00a0\u00a0 szelirany = Integer.parseInt(tomb[2]);\r\n\u00a0\u00a0\u00a0 szelero = Integer.parseInt(tomb[3]);\r\n\u00a0\u00a0\u00a0 legnyomas = Integer.parseInt(tomb[4]);\r\n\u00a0\u00a0\u00a0 para = Double.parseDouble(tomb[5]);\r\n\u00a0\u00a0\u00a0 ora = db;\r\n\u00a0 }\r\n\r\n\u00a0 public String getIdokep()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return idokep;\r\n\u00a0 }\r\n\r\n\u00a0 public int getHom()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return hom;\r\n\u00a0 }\r\n\r\n\u00a0 public int getSzelirany()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return szelirany;\r\n\u00a0 }\r\n\r\n\u00a0 public int getSzelero()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return szelero;\r\n\u00a0 }\r\n\r\n\u00a0 public int getLegnyomas()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return legnyomas;\r\n\u00a0 }\r\n\r\n\u00a0 public double getPara()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return para;\r\n\u00a0 }\r\n\r\n\u00a0 public int getOra()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return ora;\r\n\u00a0 }\r\n\r\n\u00a0 @Override\r\n\u00a0 public String toString()\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 return "Ido{" + "idokep=" + idokep + ", hom=" + hom +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ", szelirany=" + szelirany + ", szelero=" +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 szelero + ", legnyomas=" + legnyomas +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ", para=" +para + ", ora=" + ora + '}';\r\n\u00a0 }\r\n}\r\n<\/pre>\n
A main()-t tartalmaz\u00f3 oszt\u00e1ly, mely a f\u00e1jlkezel\u00e9st \u00e9s a feladatokat tartalmazza:<\/h4>\n
\r\n\/**\r\n\u00a0*\r\n\u00a0* @author http:\/\/webotlet.hu\r\n\u00a0*\/\r\n\r\npackage webotlet_idojaras;\r\n\r\nimport java.io.*;\r\n\r\npublic class Webotlet_idojaras\r\n{\r\n\u00a0 public static void main(String[] args)\r\n\u00a0 {\r\n\u00a0\u00a0\u00a0 int db;\r\n\u00a0\u00a0\u00a0 String sor;\r\n\u00a0\u00a0\u00a0 RandomAccessFile raf;\r\n\u00a0\u00a0\u00a0 Ido[] idok;\r\n\u00a0\u00a0\u00a0 try\r\n\u00a0\u00a0\u00a0 {\r\n\/\/ 1. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 raf = new RandomAccessFile("idojaras.csv","r");\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 idok = new Ido[24];\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 db = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 raf.readLine();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( sor = raf.readLine(); sor != null; sor = raf.readLine() )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 idok[db] = new Ido( sor.split(";"), db );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 db++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 raf.close();\r\n\r\n\/* kiiratas, hogy az adatokat megfeleloen beolvastam\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( Ido o : idok )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( o.toString() );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n*\/\r\n\r\n\/\/ 2. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n2. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int homax = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getHom() > idok[homax].getHom() )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 homax = i;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( idok[homax].getOra()+" orakor volt a legmelegebb." );\r\n\r\n\/\/ 3. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n3. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int maxszel = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getSzelero() > idok[maxszel].getSzelero() )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 maxszel = i;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\/\/ tobb maximum eseten ertelemszeruen az elsonek az idopontjat kapjuk meg\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( idok[maxszel].getOra()+" orakor fujt a legerosebb szel." );\r\n\r\n\/\/ 4. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n4. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "Ezekben az orakban fujt ENY-i szel:" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getSzelirany() > 270 && idok[i].getSzelirany() < 360 )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( idok[i].getOra()+" ora" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\r\n\/\/ 5. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n5. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int borultdb = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getIdokep().equalsIgnoreCase("borult") )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 borultdb++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( borultdb+" alkalommal volt borult az eg." );\r\n\r\n\/\/ 6. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n6. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int homin = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getHom() < idok[homin].getHom() )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 homin = i;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( idok[homax].getHom() - idok[homin].getHom()+" fok a napi hoingas." );\r\n\r\n\/\/ 7. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n7. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int fagyp = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getHom() == 0 )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 fagyp++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( fagyp+" alkalommal volt fagypont." );\r\n\u00a0\u00a0\u00a0\u00a0 \u00a0\r\n\/\/ 8. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n8. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int fagyott = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[0].getHom() < 0 ) fagyott = 1;\r\n\u00a0\u00a0\u00a0\u00a0 \u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 1; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getHom() < 0 && idok[i-1].getHom() >= 0 )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 fagyott++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( fagyott+" alkalommal fagyott." );\r\n\/\/ 9. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n9. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int emel = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 1; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getHom() > idok[i-1].getHom() )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 emel++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( emel+" alkalommal emelkedett a homerseklet." );\r\n\r\n\/\/ 10. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n10. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 String irany = null;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[homax].getSzelirany() == 0 ) irany = "E";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() > 0 && idok[homax].getSzelirany() < 90 ) irany = "EK";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() == 90 ) irany = "K";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() >90 && idok[homax].getSzelirany() < 180 ) irany = "DK";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() == 180 ) irany = "D";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() > 180 && idok[homax].getSzelirany() < 270 ) irany = "DNY";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else if( idok[homax].getSzelirany() == 270 ) irany = "NY";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 else irany = "ENY";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( irany+"-rol fujt a szel, amikor a legmelegebb volt." );\r\n\u00a0\u00a0 \u00a0\r\n\/\/ 11. feladat\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "\\n11. feladat" );\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int napdb = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 int napossz = 0;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 for( int i = 0; i < idok.length; i++ )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if( idok[i].getOra() >= 8 && idok[i].getOra() <= 16 )\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 napdb++;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 napossz += idok[i].getHom();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println( "A nappali atlaghomerseklet: "+(double)napossz\/napdb );\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 catch( IOException e )\r\n\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.err.println( "HIBA" );\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0 }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Csak akkor olvass tov\u00e1bb, ha az id\u0151j\u00e1r\u00e1s feladatot megoldottad, vagy nem siker\u00fclt megoldani. A let\u00f6lthet\u0151 t\u00f6m\u00f6r\u00edtett \u00e1llom\u00e1nyban megtal\u00e1lod a NetBeans-ben megnyithat\u00f3 projectet. Amennyiben Geany szerkeszt\u0151vel k\u00edv\u00e1nod megtekinteni a megold\u00e1st, akkor t\u00f6r\u00f6ld ki a forr\u00e1sok elej\u00e9r\u0151l a k\u00f6vetkez\u0151 sorokat: package webotlet_idojaras; Tov\u00e1bb   Java programoz\u00e1s – Id\u0151j\u00e1r\u00e1s megold\u00e1sa<\/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":[93],"tags":[22,86,94,20,58],"class_list":["post-1183","post","type-post","status-publish","format-standard","hentry","category-komplex-feladatok-megoldasai","tag-fajlkezeles","tag-java","tag-megoldas","tag-objektum","tag-osztaly"],"_links":{"self":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/1183","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=1183"}],"version-history":[{"count":6,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/1183\/revisions"}],"predecessor-version":[{"id":1351,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/1183\/revisions\/1351"}],"wp:attachment":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}