Struktur Data: Tatasusunan

public class Array<T> {
    private T[] self;
    private int size;
    @SuppressWarnings("unchecked")
    public Array(int size) {
        if (size <= 0) {
            throw new IllegalArgumentException("Invalid array size (must be positive): " + size);
        } else {
            this.size = size;
            this.self = (T[]) new Object[size];
        }
    }
}

public void set(T item, int index) {
        if (index >= this.size || index < 0) {
            throw new IndexOutOfBoundsException("Index Out of bounds: " + index);
        } else {
            this.self[index] = item;
        }
    }

public T get(int index) {
        if (index >= this.size || index < 0) {
            throw new IndexOutOfBoundsException("Index Out of bounds");
        } else {
            return self[index];
        }
    }

public void print() {
        for (int i = 0; i < size; i++) {
            System.out.println(this.self[i]+" ");
        }
    }

public class SortedArray<T extends Comparable<T>> {
    private T[] array;
    private int size;
    private final int maxSize;
    @SuppressWarnings("unchecked")
    public SortedArray(int maxSize) {
        if (maxSize <= 0) {
            throw new IllegalArgumentException("Invalid array max size (must be positive): " + maxSize);
        }
        this.array = (T[]) new Comparable[maxSize];
        this.size = 0;
        this.maxSize = maxSize;
    }
}

public int length() {
        return this.size;
    }
 public int maxLength() {
        return this.maxSize;
    }
 public T get(int index) {
        if (index < 0 || index >= this.size) {
            throw new IndexOutOfBoundsException("Index out of 
 bounds: " + index);
        }
        return this.array[index];
    }

private int findInsertionPosition(T item) {
        int left = 0;
        int right = size - 1;
        while (left <= right) {
            int mid = (left + right) / 2;
            int cmp = item.compareTo(this.array[mid]);
            if (cmp < 0) {
                right = mid - 1;
            } else {
                left = mid + 1;
            }
        }
        return left;
    }
public void insert(T item) {
        if (this.size >= this.maxSize) {
            throw new IllegalStateException("The array is already full");
        }

        int position = findInsertionPosition(item);

        for (int i = size; i > position; i--) {
            this.array[i] = this.array[i - 1];
        }
        this.array[position] = item;
        size++;
    }

    public void delete(T item) {
        int index = binarySearch(item);
        if (index == -1) {
            throw new IllegalArgumentException("Unable to delete element " + item + ": the entry is not in the array");
        }

        for (int i = index; i < size - 1; i++) {
            this.array[i] = this.array[i + 1];
        }
        this.array[size - 1] = null;
        size--;
    }

private int binarySearch(T target) {
        int left = 0;
        int right = size - 1;
        while (left <= right) {
            int mid = (left + right) / 2;
            int cmp = target.compareTo(this.array[mid]);
            if (cmp == 0) {
                return mid;
            } else if (cmp < 0) {
                right = mid - 1;
            } else {
                left = mid + 1;
            }
        }
        return -1;
    }
public Integer find(T target) {
        int index = binarySearch(target);
        return index == -1 ? null : index;
    }

public void traverse(Callback<T> callback) {
        for (int i = 0; i < this.size; i++) {
            callback.call(this.array[i]);
        }
    }

public interface Callback<T> {
        void call(T item);
    }

public class UppercaseCallback implements UnsortedArray.Callback<String> {
    @Override
    public void call(String item) {
        System.out.println(item.toUpperCase());
    }
}

public void insert(T item) {
        if (this.size >= this.maxSize) {
            throw new IllegalStateException("The array is already full");
        } else {
            this.self[this.size] = item;
            this.size++;
        }
    }

public Integer find(T target) {
        for (int i = 0; i < this.size; i++) {
            if (this.self[i].equals(target)) {
                return i;
            }
        }
        return null;
    }

public class DynamicArray<T> {
    private T[] array;
    private int size;
    private int capacity;

    @SuppressWarnings("unchecked")
    public DynamicArray(int initialCapacity) {
        if (initialCapacity <= 0) {
            throw new IllegalArgumentException("Invalid initial capacity: " + initialCapacity);
        }
        this.capacity = initialCapacity;
        this.array = (T[]) new Object[initialCapacity];
        this.size = 0;
    }
}

private void resize(int newCapacity) {
        @SuppressWarnings("unchecked")
        T[] newArray = (T[]) new Object[newCapacity];
        for (int i = 0; i < size; i++) {
            newArray[i] = array[i];
        }
        array = newArray;
        capacity = newCapacity;
    }
    public void insert(T item) {
        if (size >= capacity) {
            resize(2 * capacity);
        }
        array[size++] = item;
    }

public void delete(T item) {
        int index = find(item);
        if (index == -1) {
            throw new IllegalArgumentException("Item not found: " + item);
        }

        for (int i = index; i < size - 1; i++) {
            array[i] = array[i + 1];
        }
        array[--size] = null;
        if (capacity > 1 && size <= capacity / 4) {
            resize(capacity / 2);
        }
    }