public String getNameOfYoungest() {
Dog youngest = null;
int age = Integer.MAX_VALUE;
for (Dog d : pups) {
if (d.getAge() < age) {
youngest = d;
age = d.getAge();
}
}
return youngest.getName();
}
public String getNameOfOldest() {
Dog oldest = null;
int age = Integer.MIN_VALUE;
for (Dog d : pups) {
if (d.getAge() > age) {
oldest = d;
age = d.getAge();
}
}
return oldest.getName();
}