geändert am 21.11.2023 um 15:27
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parent
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" name="junit.jupiter" level="project" />
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</component>
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</module>
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43
src/Praktikum03/Zahlenfilter.java
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43
src/Praktikum03/Zahlenfilter.java
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package Praktikum03;
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public class Zahlenfilter {
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public static void main(String[] args) {
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int upper_limit = 200;
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if (args.length > 0)
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upper_limit = Integer.parseInt(args[0]);
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Zahlenfilter z = new Zahlenfilter(upper_limit);
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z.printNumber();
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}
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private int boundary;
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private Zahlenfilter(int limit){
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boundary = limit;
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}
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private void printNumber(){
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for(int i = 1; i <=boundary; i++){
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if(filter(i))
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System.out.println(i);
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}
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}
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public static boolean filter(int i){
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return !(checkDivisibleBy5(i) || checkEndsWith9(i) || checkSumDivisibleBy3(i, i-1));
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}
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public static boolean checkDivisibleBy5(int i) {
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return(i % 5 == 0);
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}
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public static boolean checkEndsWith9(int i){
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return(i % 10 == 9);
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}
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public static boolean checkSumDivisibleBy3(int i, int j){
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return((i+j) % 3 == 0);
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}
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}
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66
test/Praktikum03/ZahlenfilterTest.java
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66
test/Praktikum03/ZahlenfilterTest.java
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package Praktikum03;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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class ZahlenfilterTest {
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@Test
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void filter() {
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}
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@Test
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void checkDivisibleBy5() {
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int i = 15;
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boolean result = Zahlenfilter.checkDivisibleBy5(i);
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assertTrue(result);
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}
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@Test
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void checkNotDivisibleBy5() {
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int i = 12;
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boolean result = Zahlenfilter.checkDivisibleBy5(i);
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assertFalse(result);
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}
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@Test
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void checkEndsWith9() {
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int i = 29;
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boolean result = Zahlenfilter.checkEndsWith9(i);
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assertTrue(result);
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}
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@Test
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void checkEndsNotWith9() {
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int i = 28;
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boolean result = Zahlenfilter.checkEndsWith9(i);
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assertFalse(result);
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}
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@Test
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void checkSumDivisibleBy3() {
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int i = 5;
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boolean result = Zahlenfilter.checkSumDivisibleBy3(i, i-1);
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assertTrue(result);
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}
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@Test
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void checkSumNotDivisibleBy3() {
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int i = 3;
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boolean result = Zahlenfilter.checkSumDivisibleBy3(i, i-1);
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assertFalse(result);
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}
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}
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