你可以通过机场保安计划吗?
您的手提行李不允许携带液体:
package liquid; import java.lang.String; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; public class Luggage { private final Collection<String> items; public Luggage(Collection<String> items) { items = Collections.unmodifiableCollection(new ArrayList<String>(items)); for (String item : items) { if (item.contains("liquid")) { throw new SecurityException("No liquids allowed in your hand luggage!"); } } this.items = items; } public Collection<String> getItems() { return items; } public void fly() { if (items.contains("liquid water")) { // The goal is to reach this line System.out.println("Oh no, water on a plane! We're all going to die!"); } } }
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作为一个口渴的乘客,你能随身带些水吗?