geändert am 21.11.2023 um 15:27

This commit is contained in:
leonmcfly 2023-11-21 15:27:57 +01:00
parent 15d7358bfe
commit ee07f5e279
3 changed files with 111 additions and 0 deletions

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@ -4,8 +4,10 @@
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="junit.jupiter" level="project" />
</component>
</module>

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@ -0,0 +1,43 @@
package Praktikum03;
public class Zahlenfilter {
public static void main(String[] args) {
int upper_limit = 200;
if (args.length > 0)
upper_limit = Integer.parseInt(args[0]);
Zahlenfilter z = new Zahlenfilter(upper_limit);
z.printNumber();
}
private int boundary;
private Zahlenfilter(int limit){
boundary = limit;
}
private void printNumber(){
for(int i = 1; i <=boundary; i++){
if(filter(i))
System.out.println(i);
}
}
public static boolean filter(int i){
return !(checkDivisibleBy5(i) || checkEndsWith9(i) || checkSumDivisibleBy3(i, i-1));
}
public static boolean checkDivisibleBy5(int i) {
return(i % 5 == 0);
}
public static boolean checkEndsWith9(int i){
return(i % 10 == 9);
}
public static boolean checkSumDivisibleBy3(int i, int j){
return((i+j) % 3 == 0);
}
}

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@ -0,0 +1,66 @@
package Praktikum03;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class ZahlenfilterTest {
@Test
void filter() {
}
@Test
void checkDivisibleBy5() {
int i = 15;
boolean result = Zahlenfilter.checkDivisibleBy5(i);
assertTrue(result);
}
@Test
void checkNotDivisibleBy5() {
int i = 12;
boolean result = Zahlenfilter.checkDivisibleBy5(i);
assertFalse(result);
}
@Test
void checkEndsWith9() {
int i = 29;
boolean result = Zahlenfilter.checkEndsWith9(i);
assertTrue(result);
}
@Test
void checkEndsNotWith9() {
int i = 28;
boolean result = Zahlenfilter.checkEndsWith9(i);
assertFalse(result);
}
@Test
void checkSumDivisibleBy3() {
int i = 5;
boolean result = Zahlenfilter.checkSumDivisibleBy3(i, i-1);
assertTrue(result);
}
@Test
void checkSumNotDivisibleBy3() {
int i = 3;
boolean result = Zahlenfilter.checkSumDivisibleBy3(i, i-1);
assertFalse(result);
}
}