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4 changes: 3 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
# Hello World

Aufgabe pro Team/Breakout:
Aufgabe pro Team/Breakout:

1. Fügt ein "Hello from Team X" per Pull-Request in das README.md ein
2. Baue die Methode `getParameterNamesJson` in `streams.StringAppend` um, so dass statt der `for`-Schleife und der `if`-Abfrage die Stream-API genutzt wird. Versuche durch geschicktes Auslagern von Code-Teilen in neue Methoden die Lambda-Ausdrücke komplett durch Methodenreferenzen zu ersetzen.
3. Erstelle einen Pull-Request gegen das Ursprungs-Repo. Läuft die CI durch? Wenn nicht, was musst Du tun, damit der PR akzeptabel wird?
25 changes: 25 additions & 0 deletions src/main/java/streams/StringAppend.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
package streams;

public class StringAppend {
public static String getParameterNamesJson(String[] parameterNames) {
if (parameterNames.length == 0) {
return "[]";
}

StringBuilder sb = new StringBuilder();
sb.append("[");
for (int i = 0; i < parameterNames.length; i++) {
if (i > 0) {
sb.append(", ");
}
sb.append("\"").append(escapeJson(parameterNames[i])).append("\"");
}
sb.append("]");
return sb.toString();
}

private static String escapeJson(String parameterName) {
// does something or another ...
return "";
}
}