package Online_Code_Samples.Week2;

import java.util.ArrayList;

import java.util.List;

public class GenericsClass<T extends Number>{

private List<Integer> intElements;

private List<Double> doubleElements;

public GenericsClass(){

this.intElements = new ArrayList<>();

for( int i = 0; i < 20; i++){

intElements.add(20 * i);

}

}

public GenericsClass(Double doubles){

this.doubleElements = new ArrayList<>();

for(double i = 1.0; i < 20; i++){

doubleElements.add(i + doubles);

}

}

public static void main(String[] args) {

GenericsClass<Integer> genericIntObject = new GenericsClass<>();

GenericsClass<Double> genericDoubleObject = new GenericsClass<>(1.5);

for(Number intNum: genericIntObject.intElements){

if(intNum == null)

break;

System.out.printf("\nInteger numbers %s is: %s", intNum, intNum);

}

System.out.println();

System.out.println();

for(Number doubleNum: genericDoubleObject.doubleElements){

if(doubleNum == null)

break;

System.out.printf("\nDouble numbers %s is: %s", doubleNum, doubleNum);

}

}

}