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solutions inside App.java #4

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3cb25fb
solution
grauziitisos Aug 17, 2022
20fbb23
c0nfigs
grauziitisos Aug 17, 2022
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1 change: 1 addition & 0 deletions .gitignore
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/demo/target
17 changes: 17 additions & 0 deletions demo/.editorconfig
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# Editor configuration, see http://editorconfig.org
root = true

[*]
charset = utf-8
indent_style = space
indent_size = 2
insert_final_newline = true
trim_trailing_whitespace = true
max_line_length = 80

[*.sh]
end_of_line = lf

[*.java]
indent_size = 4
max_line_length = 120
173 changes: 173 additions & 0 deletions demo/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.challenges</groupId>
<artifactId>demo</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<junit.version>5.6.0</junit.version>
<maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
<maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
<checkstyle.version>8.45.1</checkstyle.version>
<maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
<jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
<maven-javadoc-plugin.version>3.0.0</maven-javadoc-plugin.version>
<!-- JaCoCo thresholds. Increase gradually as you add tests. -->
<jacoco.unit-tests.limit.instruction-ratio>0%</jacoco.unit-tests.limit.instruction-ratio>
<jacoco.unit-tests.limit.branch-ratio>0%</jacoco.unit-tests.limit.branch-ratio>
<jacoco.unit-tests.limit.class-complexity>20</jacoco.unit-tests.limit.class-complexity>
<jacoco.unit-tests.limit.method-complexity>5</jacoco.unit-tests.limit.method-complexity>
</properties>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>${maven-enforcer-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<requireMavenVersion>
<version>3.6.3</version>
</requireMavenVersion>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
<version>${maven-checkstyle-plugin.version}</version>
<dependencies>
<dependency>
<groupId>com.puppycrawl.tools</groupId>
<artifactId>checkstyle</artifactId>
<version>${checkstyle.version}</version>
</dependency>
<dependency>
<groupId>com.github.ngeor</groupId>
<artifactId>checkstyle-rules</artifactId>
<version>4.9.3</version>
</dependency>
</dependencies>
<configuration>
<configLocation>com/github/ngeor/checkstyle.xml</configLocation>
<includeTestSourceDirectory>true</includeTestSourceDirectory>
<skip>${skipTests}</skip>
</configuration>
<executions>
<execution>
<id>checkstyle</id>
<phase>validate</phase>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco-maven-plugin.version}</version>
<executions>
<execution>
<id>pre-unit-test</id>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>post-unit-test</id>
<phase>test</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
<execution>
<id>check-unit-test</id>
<phase>test</phase>
<goals>
<goal>check</goal>
</goals>
<configuration>
<dataFile>${project.build.directory}/jacoco.exec</dataFile>
<rules>
<rule>
<element>BUNDLE</element>
<limits>
<limit>
<counter>INSTRUCTION</counter>
<value>COVEREDRATIO</value>
<minimum>${jacoco.unit-tests.limit.instruction-ratio}</minimum>
</limit>
<limit>
<counter>BRANCH</counter>
<value>COVEREDRATIO</value>
<minimum>${jacoco.unit-tests.limit.branch-ratio}</minimum>
</limit>
</limits>
</rule>
<rule>
<element>CLASS</element>
<limits>
<limit>
<counter>COMPLEXITY</counter>
<value>TOTALCOUNT</value>
<maximum>${jacoco.unit-tests.limit.class-complexity}</maximum>
</limit>
</limits>
</rule>
<rule>
<element>METHOD</element>
<limits>
<limit>
<counter>COMPLEXITY</counter>
<value>TOTALCOUNT</value>
<maximum>${jacoco.unit-tests.limit.method-complexity}</maximum>
</limit>
</limits>
</rule>
</rules>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>${maven-javadoc-plugin.version}</version>
</plugin>
</plugins>
</reporting>
</project>
61 changes: 61 additions & 0 deletions demo/src/main/java/com/challenges/App.java
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package com.challenges;

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
* Hello world!
*/
public final class App {
public static int highestDigit(String s) {
Pattern p = Pattern.compile("\\d+");
Matcher m = p.matcher(s);
if (!m.matches())
return -1;

int largest = -1, current = -1;
for (int j = 0; j < s.length(); j++) {
if ((current = Integer.parseInt(s.charAt(j) + "")) > largest)
largest = current;
}
return largest;
}

public static boolean match(String s, String c) {
if (s.length() != c.length())
return false;
return s.toLowerCase().equals(c.toLowerCase());
}

/**
* Says hello to the world.
*
* @param args The arguments of the program.
*/
public static void main(String[] args) {
try (Scanner sc = new Scanner(System.in)) {
for (int i = 0; i < 7; i++) {
String s = sc.next();
String c = sc.next();
if ((match(s, c)))
System.out.println("True");
else
System.out.println("False");
}

for (int i = 0; i < 7; i++) {
String s = sc.next();
int digit;
if ((digit = highestDigit(s)) > -1)
System.out.println("largest: " + digit);
else
System.out.println("please input digits only");
}

System.out.println("thats it, 7 times each only..");
} catch (Exception e) {
// TODO: handle exception
}
}
}
29 changes: 29 additions & 0 deletions demo/src/test/java/com/challenges/AppTest.java
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package com.challenges;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
* Unit test for simple App.
*/
class AppTest {
/**
* Rigorous Test.
*/
@Test
void testDigits() {
assertEquals(App.highestDigit(12899 + ""), 9);
assertEquals(App.highestDigit(8123 + ""), 8);
assertEquals(App.highestDigit(193 + ""), 9);
assertEquals(App.highestDigit(1 + ""), 1);
}

@Test
void testCaseInsensitiveComparisonChallenge() {
assertEquals(App.match("Jose", "JoSe"), true);
assertEquals(App.match("water", "wait"), false);
assertEquals(App.match("JOHN", "JOHn"), true);
assertEquals(App.match("ElEmEnTs", "eLeMeNtS"), true);
}
}