class GenericConstructorExample {
private double value;
// Generic constructor
public <T extends Number> GenericConstructorExample(T input) {
this.value = input.doubleValue();
System.out.println("Constructor received: " + input);
}
public void show() {
System.out.println("Stored value: " + value);
}
}
public class Main {
public static void main(String[] args) {
GenericConstructorExample a = new GenericConstructorExample(42); // int
GenericConstructorExample b = new GenericConstructorExample(3.14); // double
GenericConstructorExample c = new GenericConstructorExample(7.5f); // float
a.show();
b.show();
c.show();
}
}
/*
run:
Constructor received: 42
Constructor received: 3.14
Constructor received: 7.5
Stored value: 42.0
Stored value: 3.14
Stored value: 7.5
*/
