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Add chapters 9-17 for the java book

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This commit is contained in:
Eugen Wissner
2025-12-01 14:14:57 +01:00
parent a680b83e47
commit 2da137aea8
54 changed files with 3063 additions and 0 deletions
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17
Java-Kompendium/kap7/Task1.java Normal file
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import java.io.*;
public class Task1 {
public static void main(String[] args) throws IOException {
var stream = new InputStreamReader(System.in);
var buffered = new BufferedReader(stream);
System.out.print("Geben Sie Ihren Namen ein: ");
var name = buffered.readLine().strip();
if (name.equals("Paul")) {
System.out.println("Willkommen Paul");
} else {
System.out.println("Zugriff verweigert für " + name);
}
}
}

20
Java-Kompendium/kap7/Task2.java Normal file
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import java.io.*;
public class Task2 {
public static void main(String[] args) throws IOException {
var stream = new InputStreamReader(System.in);
var buffered = new BufferedReader(stream);
System.out.print("Geben Sie Ihren Namen ein: ");
var name = buffered.readLine().strip();
System.out.print("Geben Sie Ihr Passwort ein: ");
var password = buffered.readLine().strip();
if ((name.equals("Paul") || name.equals("paul")) && password.equals("123")) {
System.out.println("Willkommen Paul");
} else {
System.out.println("Zugriff verweigert für " + name + " mit " + password);
}
}
}

51
Java-Kompendium/kap7/Task3.java Normal file
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import java.io.*;
public class Task3 {
public static void main(String[] args) throws IOException {
var stream = new InputStreamReader(System.in);
var buffered = new BufferedReader(stream);
System.out.print("Geben Sie eine Zahl zwischen 1 und 12 ein: ");
var input = buffered.readLine();
var number = Integer.parseInt(input);
switch (number) {
case 1:
System.out.println("Januar");
break;
case 2:
System.out.println("Februar");
break;
case 3:
System.out.println("März");
break;
case 4:
System.out.println("April");
break;
case 5:
System.out.println("Mai");
break;
case 6:
System.out.println("Juni");
break;
case 7:
System.out.println("Juli");
break;
case 8:
System.out.println("August");
break;
case 9:
System.out.println("September");
break;
case 10:
System.out.println("Oktober");
break;
case 11:
System.out.println("November");
break;
case 12:
System.out.println("Dezember");
break;
}
}
}