Exercise stubs for missing exercises

exercises/build.gradle

@@ -57,7 +57,10 @@ subprojects {
       logCompileTaskSourcePath(project, "compileJava") // Corresponds to the "main" source set.
       logCompileTaskSourcePath(project, "compileStarterSourceJava")
       logCompileTaskSourcePath(project, "compileTestJava")
+    }
 
+    configurations {
+      starterSourceImplementation.extendsFrom implementation
     }
 
     // configuration of the linter

exercises/practice/all-your-base/src/main/java/BaseConverter.java

@@ -1,10 +1,11 @@
-/*
+class BaseConverter {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    BaseConverter(int originalBase, int[] originalDigits) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    int[] convertToBase(int newBase) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/alphametics/src/main/java/Alphametics.java

@@ -1,10 +1,13 @@
-/*
+import java.util.Map;
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+class Alphametics {
 
-Please remove this comment when submitting your solution.
+    Alphametics(String userInput) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    Map<Character, Integer> solve() throws UnsolvablePuzzleException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/atbash-cipher/src/main/java/Atbash.java

@@ -1,10 +1,11 @@
-/*
+class Atbash {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    String encode(String input) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    String decode(String input) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/bank-account/src/main/java/BankAccount.java

@@ -1,10 +1,23 @@
-/*
+class BankAccount {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    void open() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    void close() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    synchronized int getBalance() throws BankAccountActionInvalidException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    synchronized void deposit(int amount) throws BankAccountActionInvalidException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    synchronized void withdraw(int amount) throws BankAccountActionInvalidException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/beer-song/src/main/java/BeerSong.java

@@ -1,10 +1,11 @@
-/*
+class BeerSong {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    String sing(int startBottles, int takeDown) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    String singSong() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/bob/src/main/java/Bob.java

@@ -1,10 +1,7 @@
-/*
+class Bob {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    String hey(String input) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
-
-*/
+}

exercises/practice/book-store/src/main/java/BookStore.java

@@ -1,10 +1,9 @@
-/*
+import java.util.List;
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+class BookStore {
 
-Please remove this comment when submitting your solution.
+    double calculateBasketCost(List<Integer> books) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/bowling/src/main/java/BowlingGame.java

@@ -1,10 +1,11 @@
-/*
+class BowlingGame {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    void roll(int pins) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    int score() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/change/src/main/java/ChangeCalculator.java

@@ -1,10 +1,13 @@
-/*
+import java.util.List;
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+class ChangeCalculator {
 
-Please remove this comment when submitting your solution.
+    ChangeCalculator(List<Integer> currencyCoins) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    List<Integer> computeMostEfficientChange(int grandTotal) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/circular-buffer/src/main/java/CircularBuffer.java

@@ -1,10 +1,23 @@
-/*
+class CircularBuffer<T> {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    CircularBuffer(final int size) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    T read() throws BufferIOException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    void write(T data) throws BufferIOException {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    void overwrite(T data) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    void clear() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/clock/src/main/java/Clock.java

@@ -1,10 +1,21 @@
-/*
+class Clock {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    Clock(int hours, int minutes) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    void add(int minutes) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    @Override
+    public String toString() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/complex-numbers/src/main/java/ComplexNumber.java

@@ -1,10 +1,51 @@
-/*
+class ComplexNumber {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    ComplexNumber(double real, double imag) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    double getReal() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    double getImag() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    double abs() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber add(ComplexNumber other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber minus(ComplexNumber other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber times(ComplexNumber other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber times(double factor) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber div(ComplexNumber other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber div(double divisor) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber conjugate() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    ComplexNumber exponentialOf() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}

exercises/practice/crypto-square/src/main/java/CryptoSquare.java

@@ -1,10 +1,11 @@
-/*
+class CryptoSquare {
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+    CryptoSquare(String plaintext) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-Please remove this comment when submitting your solution.
+    String getCiphertext() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+}

exercises/practice/custom-set/src/main/java/CustomSet.java

@@ -1,10 +1,46 @@
-/*
+import java.util.Collection;
 
-Since this exercise has a difficulty of > 4 it doesn't come
-with any starter implementation.
-This is so that you get to practice creating classes and methods
-which is an important part of programming in Java.
+class CustomSet<T> {
 
-Please remove this comment when submitting your solution.
+    CustomSet() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
 
-*/
+    CustomSet(Collection<T> data) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    boolean isEmpty() {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    boolean contains(T element) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    boolean isDisjoint(CustomSet<T> other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    boolean add(T element) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    CustomSet<T> getIntersection(CustomSet<T> other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    CustomSet<T> getUnion(CustomSet<T> other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+    CustomSet<T> getDifference(CustomSet<T> other) {
+        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
+    }
+
+}