verbesserung
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@ -1,18 +1,20 @@
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public class Visitenkarte {
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public class Visitenkarte {
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public static String name = "Pastors";
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public String name = "Pastors";
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public static String vorname = "Sarah";
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public String vorname = "Sarah";
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public static String beruf = "Student";
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public String beruf = "Student";
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public static int alter = 21;
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public int alter = 21;
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public static String adresse = "90443 Nürnberg, Zufuhrstraße 8";
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public String adresse = "90443 Nürnberg, Zufuhrstraße 8";
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public static String telefonnummer = "0913123453";
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public String telefonnummer = "0913123453";
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public static void main(String[] args) {
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public static void main(String[] args) {
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ausgabe();
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Visitenkarte v = new Visitenkarte();
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v.ausgabe();
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System.out.println(v);
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}
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}
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public static void ausgabe() {
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public void ausgabe() {
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System.out.println("--------------------------------------");
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System.out.println("--------------------------------------");
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System.out.println(name + ", " + vorname);
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System.out.println(name + ", " + vorname);
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System.out.println(beruf + ", " + alter);
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System.out.println(beruf + ", " + alter);
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@ -22,6 +24,6 @@ public class Visitenkarte {
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}
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}
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public String toString(){
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public String toString(){
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return "--------------------------------------\n" + name + ", " + vorname + beruf + ", " + alter + adresse + telefonnummer + "--------------------------------------";
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return "--------------------------------------\n" + name + ", " + vorname + "\n" + beruf + ", " + alter + "\n" + adresse + "\n" + telefonnummer + "\n" + "--------------------------------------";
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}
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}
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}
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}
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@ -3,28 +3,37 @@ public class Zahlenfilter {
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public static void main(String[] args) {
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public static void main(String[] args) {
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int start = 1;
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int start = 1;
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int ende = 200;
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int ende = 200;
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for(int i=start; i<=ende; i++){
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for(int number=start; number<=ende; number++){
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durchFuenfTeilbar(i);
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if (durchFuenfTeilbar(number)==true) {
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endetAufNeun(i);
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System.out.println(number + " ist durch 5 teilbar!");
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summeMitVorgaengerDurchDreiTeilbar(i);
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}
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if (endetAufNeun(number)==true) {
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System.out.println(number + " endet auf 9!");
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}
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if (summeMitVorgaengerDurchDreiTeilbar(number)==true) {
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System.out.println(number + " und " + (number-1) + " addiert ergeben " + (number+(number-1)) + " und " + (number+(number-1)) + " ist durch 3 teilbar");
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}
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}
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}
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}
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}
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private static void durchFuenfTeilbar(int i) {
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private static boolean durchFuenfTeilbar(int number) {
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if(i%5 == 0){
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if(number%5 == 0){
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System.out.println(i + " ist durch 5 teilbar!");
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return true;
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}
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}
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return false;
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}
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}
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private static void endetAufNeun(int i) {
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private static boolean endetAufNeun(int i) {
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if(i%10 == 9){
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if(i%10 == 9){
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System.out.println(i + " endet auf 9!");
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return true;
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}
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}
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return false;
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}
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}
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private static void summeMitVorgaengerDurchDreiTeilbar(int i) {
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private static boolean summeMitVorgaengerDurchDreiTeilbar(int number) {
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if((i+(i-1))%3 == 0){
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if((number+(number-1))%3 == 0){
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System.out.println(i + " und " + (i-1) + " addiert ergeben " + (i+(i-1)) + " und " + (i+(i-1)) + " ist durch 3 teilbar");
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return true;
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}
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}
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return false;
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}
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}
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}
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}
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