Praktikum 3: kleine Änderungen
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@ -0,0 +1,10 @@
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package de.joethei.hs.java2.praktikum.praktikum3;
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import java.io.IOException;
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public class TextFileFormatException extends IOException {
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public TextFileFormatException(String s) {
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super(s);
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}
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}
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@ -1,10 +0,0 @@
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package de.joethei.hs.java2.praktikum.praktikum3;
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import java.io.IOException;
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public class TextFormatException extends IOException {
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public TextFormatException(String s) {
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super(s);
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}
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}
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@ -6,14 +6,14 @@ public class Vorlesung {
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private String studiengruppe;
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private String studiengruppe;
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private String title;
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private String title;
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private String dozent;
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private String dozent;
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private String teilnehmerzahl;
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private int teilnehmerzahl;
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public Vorlesung(List<String> list) throws TextFormatException{
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public Vorlesung(List<String> list) throws TextFileFormatException {
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if(list.size() <1 || list.size() > 4) throw new TextFormatException("invalid number of Strings in list");
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if(list.size() <1 || list.size() > 4) throw new TextFileFormatException("invalid number of Strings in list");
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this.studiengruppe = list.get(0);
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this.studiengruppe = list.get(0);
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this.title = list.get(1);
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this.title = list.get(1);
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this.dozent = list.get(2);
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this.dozent = list.get(2);
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this.teilnehmerzahl = list.get(3);
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this.teilnehmerzahl = Integer.parseInt(list.get(3));
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}
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}
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public String getStudiengruppe() {
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public String getStudiengruppe() {
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@ -28,7 +28,7 @@ public class Vorlesung {
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return dozent;
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return dozent;
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}
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}
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public String getTeilnehmerzahl() {
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public int getTeilnehmerzahl() {
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return teilnehmerzahl;
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return teilnehmerzahl;
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}
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}
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@ -10,7 +10,11 @@ public class Vorlesungsverzeichnis {
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List<List<String>> datenbasis;
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List<List<String>> datenbasis;
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datenbasis = load(filename);
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datenbasis = load(filename);
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for(List<String> a : datenbasis) {
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for(List<String> a : datenbasis) {
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if(a.size() != 4) throw new TextFormatException("unexpected number of Strings in line");
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if(a.size() != 4) throw new TextFileFormatException("unexpected number of Strings in line");
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for(String s : a) if(s.isEmpty()) throw new TextFileFormatException("empty attribute");
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vorlesungen.add(new Vorlesung(a));
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vorlesungen.add(new Vorlesung(a));
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}
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}
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}
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}
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@ -96,8 +100,8 @@ public class Vorlesungsverzeichnis {
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int most=0, index=0;
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int most=0, index=0;
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while(vl.size()>0) {
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while(vl.size()>0) {
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for(int i=0; i<vl.size(); i++) {
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for(int i=0; i<vl.size(); i++) {
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if(Integer.parseInt(vl.get(i).getTeilnehmerzahl())>=most) {
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if(vl.get(i).getTeilnehmerzahl()>=most) {
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most = Integer.parseInt(vl.get(i).getTeilnehmerzahl());
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most = vl.get(i).getTeilnehmerzahl();
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index=i;
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index=i;
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}
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}
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}
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}
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@ -81,8 +81,8 @@ public class VorlesungsverzeichnisTest {
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Map<String, List<String>> map = vorlesungsverzeichnis.multipleTitles();
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Map<String, List<String>> map = vorlesungsverzeichnis.multipleTitles();
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List<String> math = new ArrayList<>();
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List<String> math = new ArrayList<>();
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math.add("von Coelln");
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math.add("Rabe");
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math.add("Rabe");
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math.add("von Coelln");
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assertEquals(map.get("Mathematik 2"), math);
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assertEquals(map.get("Mathematik 2"), math);
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}
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}
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