Testing Generics

TestGenerics.java

package learnquest;

import java.util.ArrayList;
import java.util.Iterator;
public class TestGenerics {
	public static void main(String[] args) {
		ArrayList<Number> list = new ArrayList<Number>();
		list.add(new Integer(0));
		list.add(new Integer(1));
		list.add(new Integer(3));
		list.add(new Integer(2));
		Number number = list.get(0);
		Object x = list.get(1);
		Iterator<Number> iterator = list.iterator(); // Ctrl + Shift + O
		while (iterator.hasNext()) {
			Number n2 = (Number) iterator.next();
		}
		for (Iterator iterator2 = list.iterator(); iterator2.hasNext();) {
			Number number2 = (Number) iterator2.next();
		}
	}
}
// Ctrl + Shift + L