Downloaded All Exercises From Part 05

mooc-java-programming-i/part05-Part05_01.OneMinute/.tmcproject.yml

@@ -0,0 +1 @@
+force_new_sandbox: true

mooc-java-programming-i/part05-Part05_01.OneMinute/pom.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>tkt</groupId>
+    <artifactId>Part05_01.OneMinute</artifactId>
+    <name>Part05_01.OneMinute</name>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>fi.helsinki.cs.tmc</groupId>
+            <artifactId>edu-test-utils</artifactId>
+            <version>0.4.2</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.6.0</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>tmc</id>
+            <name>TMC repo</name>
+            <url>https://maven.mooc.fi/releases</url>
+            <releases>
+                <enabled>true</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
+    <pluginRepositories>
+        <pluginRepository>
+            <id>tmc</id>
+            <name>TMC repo</name>
+            <url>https://maven.mooc.fi/releases</url>
+            <releases>
+                <enabled>true</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
+</project>

mooc-java-programming-i/part05-Part05_01.OneMinute/src/main/java/ClockHand.java

@@ -0,0 +1,31 @@
+
+public class ClockHand {
+
+    private int value;
+    private int limit;
+
+    public ClockHand(int limit) {
+        this.limit = limit;
+        this.value = 0;
+    }
+
+    public void advance() {
+        this.value = this.value + 1;
+
+        if (this.value >= this.limit) {
+            this.value = 0;
+        }
+    }
+
+    public int value() {
+        return this.value;
+    }
+
+    public String toString() {
+        if (this.value < 10) {
+            return "0" + this.value;
+        }
+
+        return "" + this.value;
+    }
+}

mooc-java-programming-i/part05-Part05_01.OneMinute/src/main/java/Program.java

@@ -0,0 +1,11 @@
+
+import java.util.Scanner;
+
+public class Program {
+
+    public static void main(String[] args) {
+        // You can test your program here
+
+
+    }
+}

mooc-java-programming-i/part05-Part05_01.OneMinute/src/test/java/TimerTest.java

@@ -0,0 +1,144 @@
+
+import fi.helsinki.cs.tmc.edutestutils.MockStdio;
+import fi.helsinki.cs.tmc.edutestutils.Points;
+import fi.helsinki.cs.tmc.edutestutils.Reflex;
+import java.util.Random;
+import org.junit.*;
+import static org.junit.Assert.*;
+
+@Points("05-01")
+public class TimerTest {
+
+    @Rule
+    public MockStdio io = new MockStdio();
+
+    @Test
+    public void classAndConstructor() {
+        createTimer();
+    }
+
+    @Test
+    public void toStringInTheBeginning() {
+        Object timer = createTimer();
+
+        String toStringFromTimer = callToString(timer);
+
+        assertEquals("Printing the result of toString of a newly created timer should result in \"00:00\". Now the output was " + toStringFromTimer + "\nTry it out yourself:\n"
+                + "Timer t = new Timer();\n"
+                + "System.out.println(t);", "00:00", toStringFromTimer);
+    }
+
+    @Test
+    public void advanceMethodExists() {
+        Object timer = createTimer();
+        Reflex.reflect("Timer").method("advance").returningVoid().takingNoParams().requirePublic();
+
+        try {
+            Reflex.reflect("Timer").method("advance").returningVoid().takingNoParams().invokeOn(timer);
+        } catch (Throwable t) {
+            fail("An error occurred when calling the method 'advance'. The error was: " + t.getMessage() + "\nTry it out:\n"
+                    + "Timer t = new Timer();\n"
+                    + "t.advance();");
+        }
+
+        String toStringFromTimer = callToString(timer);
+
+        assertEquals("After a timer has advanced once, the result of toString should be \"00:01\". Now it was " + toStringFromTimer + "Try it out yourself:\n"
+                + "Timer t = new Timer();\n"
+                + "t.advance();\n"
+                + "System.out.println(t);", "00:01", toStringFromTimer);
+    }
+
+    @Test
+    public void advanceFar() {
+        Object timer = createTimer();
+
+        int randomAdvancementTime = new Random().nextInt(1000) + 1000;
+        for (int i = 1; i <= randomAdvancementTime; i++) {
+            try {
+                Reflex.reflect("Timer").method("advance").returningVoid().takingNoParams().invokeOn(timer);
+            } catch (Throwable t) {
+                fail("An error occurred when calling the 'advance' method. The error was: " + t.getMessage() + "\nTry calling the advance method " + (i) + " times.");
+            }
+        }
+
+        int seconds = ((randomAdvancementTime / 100) % 60);
+        int hundredths = (randomAdvancementTime % 100);
+
+        String s = seconds < 10 ? "0" + seconds : "" + seconds;
+        String hos = hundredths < 10 ? "0" + hundredths : "" + hundredths;
+
+        String toStringFromTimer = callToString(timer);
+        String expectedPrint = "" + s + ":" + hos;
+
+        assertEquals("When the advance method is called " + randomAdvancementTime + " times, the print should be \"" + expectedPrint + "\".\nNow it was " + toStringFromTimer + "\nTry it out:\n"
+                + "Timer t = new Timer();\n"
+                + "int i = 0;\n"
+                + "while (i < " + randomAdvancementTime + ") {\n"
+                + "    t.advance();\n"
+                + "}"
+                + "System.out.println(t);", expectedPrint, toStringFromTimer);
+    }
+
+    @Test
+    public void advanceVeryFar() {
+        Object timer = createTimer();
+
+        int randomAdvancementTime = new Random().nextInt(10000) + 360000;
+        for (int i = 1; i <= randomAdvancementTime; i++) {
+            try {
+                Reflex.reflect("Timer").method("advance").returningVoid().takingNoParams().invokeOn(timer);
+            } catch (Throwable t) {
+                fail("An error occurred when calling the 'advance' method. The error was: " + t.getMessage() + "\nTry calling the advance method " + (i) + " times.");
+            }
+        }
+
+        int seconds = ((randomAdvancementTime / 100) % 60);
+        int hundredths = (randomAdvancementTime % 100);
+
+        String s = seconds < 10 ? "0" + seconds : "" + seconds;
+        String hos = hundredths < 10 ? "0" + hundredths : "" + hundredths;
+
+        String toStringFromTimer = callToString(timer);
+        String expectedPrint = "" + s + ":" + hos;
+
+        assertEquals("When the advance method is called " + randomAdvancementTime + " times, the print should be \"" + expectedPrint + "\".\nNow it was " + toStringFromTimer + "\nTry it out:\n"
+                + "Timer t = new Timer();\n"
+                + "int i = 0;\n"
+                + "while (i < " + randomAdvancementTime + ") {\n"
+                + "    t.advance();\n"
+                + "}"
+                + "System.out.println(t);", expectedPrint, toStringFromTimer);
+    }
+
+    private String callToString(Object timer) {
+        String out = io.getSysOut();
+
+        String toStringFromTimer = null;
+
+        try {
+            toStringFromTimer = timer.toString();
+        } catch (Throwable e) {
+            fail("Error when calling the toString method of the timer. Try:\n"
+                    + "Timer timer = new Timer();\n"
+                    + "timer.toString();\n"
+                    + "The error that occurred: " + e.getMessage());
+        }
+
+        assertEquals("Calling the method toString shouldn't print anything. It is only to return a string.", out, io.getSysOut());
+
+        return toStringFromTimer;
+    }
+
+    private Object createTimer() {
+        Reflex.reflect("Timer").ctor().takingNoParams().requirePublic();
+        try {
+            return Reflex.reflect("Timer").ctor().takingNoParams().invoke();
+        } catch (Throwable ex) {
+            fail("An error occured while testing the program. Try:\nTimer timer = new Timer();\nError: " + ex.getMessage());
+        }
+        return null;
+    }
+
+
+}

mooc-java-programming-i/part05-Part05_02.Book/.tmcproject.yml

@@ -0,0 +1 @@
+force_new_sandbox: true

mooc-java-programming-i/part05-Part05_02.Book/pom.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>tkt</groupId>
+    <artifactId>Part05_02.Book</artifactId>
+    <name>Part05_02.Book</name>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>fi.helsinki.cs.tmc</groupId>
+            <artifactId>edu-test-utils</artifactId>
+            <version>0.4.2</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.6.0</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>tmc</id>
+            <name>TMC repo</name>
+            <url>https://maven.mooc.fi/releases</url>
+            <releases>
+                <enabled>true</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
+    <pluginRepositories>
+        <pluginRepository>
+            <id>tmc</id>
+            <name>TMC repo</name>
+            <url>https://maven.mooc.fi/releases</url>
+            <releases>
+                <enabled>true</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
+</project>

mooc-java-programming-i/part05-Part05_02.Book/src/main/java/Program.java

@@ -0,0 +1,14 @@
+
+public class Program {
+
+    public static void main(String[] args) {
+        // This is simply an empty main method where you are
+        // free to experiment with your Book class.
+        // An example that you can use for testing:
+
+
+//        Book b = new Book("J. K. Rowling", "Harry Potter and the Sorcerer's Stone", 223);
+//        System.out.println(b);
+
+    }
+}