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Computing with Data

elgeish
31.4K views
Previous: Interfaces Next: ArrayList

Generics

class Point<T> {
private T x;
private T y;
public Point(final T x, final T y) {
this.x = x;
this.y = y;
}
public String toString() {
return "(" + this.x + ", " + this.y + ")";
}
}
public class GenericsExample {
public static void main(final String[] args) {
Point<Double> p = new Point<>(3.0, 1.0);
System.out.println(p);
System.out.println(new Point<>(4, 2));
System.out.println(new Point<>(1.3, 4.2));
System.out.println(new Point<>("x", "y"));
}
}
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