nus/cs2030s/labs/Lab1/Array.java

54 lines
1.1 KiB
Java
Executable File

/**
* The Array for CS2030S
*
* @author Yadunand Prem
* @version CS2030S AY21/22 Semester 2
*/
class Array<T extends Comparable<T>> {
private T[] array;
public Array(int size) {
// The only way to add values to `array` is via set(), and we can only put
// objects of type T via that method. Thus, it is safe to cast Comparable[]
// to T[].
@SuppressWarnings("unchecked")
T[] temp = (T[]) new Comparable[size];
this.array = temp;
}
public void set(int index, T item) {
this.array[index] = item;
}
public T get(int index) {
return this.array[index];
}
public T min() {
T result = this.array[0];
for (T i : this.array) {
if (i.compareTo(result) < 0) {
result = i;
}
}
return result;
}
public int length() {
return this.array.length;
}
@Override
public String toString() {
StringBuilder s = new StringBuilder("[ ");
for (int i = 0; i < array.length; i++) {
s.append(i + ":" + array[i]);
if (i != array.length - 1) {
s.append(", ");
}
}
return s.append(" ]").toString();
}
}