File: context.xml
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
Jan
Machacek
Hello World!
File: Main.java
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
public class Main {
public static void main(String[] args) {
BeanFactory factory = new XmlBeanFactory(new ClassPathResource("context.xml"));
CollectionsDemo instance = (CollectionsDemo) factory.getBean("collectionsDemo");
instance.displayInfo();
}
}
interface Encyclopedia {
Long findLong(String entry);
}
interface Oracle {
String defineMeaningOfLife();
}
class BookwormOracle implements Oracle {
private Encyclopedia encyclopedia;
public String defineMeaningOfLife() {
Long ageOfUniverse = this.encyclopedia.findLong("AgeOfUniverse");
Long constantOfLife = this.encyclopedia.findLong("ConstantOfLife");
return String.valueOf(ageOfUniverse / constantOfLife);
}
public void setEncyclopedia(Encyclopedia encyclopedia) {
this.encyclopedia = encyclopedia;
}
}
class CollectionsDemo {
private Map map;
private Properties props;
private Set set;
private List list;
public void setList(List list) {
this.list = list;
}
public void setSet(Set set) {
this.set = set;
}
public void setMap(Map map) {
this.map = map;
}
public void setProps(Properties props) {
this.props = props;
}
public void displayInfo() {
// display the Map
Iterator i = map.keySet().iterator();
System.out.println("Map contents:\n");
while (i.hasNext()) {
Object key = i.next();
System.out.println("Key: " + key + " - Value: " + map.get(key));
}
// display the properties
i = props.keySet().iterator();
System.out.println("\nProperties contents:\n");
while (i.hasNext()) {
String key = i.next().toString();
System.out.println("Key: " + key + " - Value: " + props.getProperty(key));
}
// display the set
i = set.iterator();
System.out.println("\nSet contents:\n");
while (i.hasNext()) {
System.out.println("Value: " + i.next());
}
// display the list
i = list.iterator();
System.out.println("\nList contents:\n");
while (i.hasNext()) {
System.out.println("Value: " + i.next());
}
}
}