25 lines
433 B
Java
25 lines
433 B
Java
package domainBib;
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import java.util.ArrayList;
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public abstract class Benutzer {
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private int kennnummer;
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abstract public int getKennnummer();
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abstract public boolean istStudent();
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}
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class Mitarbeiter extends Benutzer {
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private int kennnummer;
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public Mitarbeiter(int kennnummer) {
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this.kennnummer = kennnummer;
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}
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public int getKennnummer() {
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return kennnummer;
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}
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public boolean istStudent() {
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return false;
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}
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} |