Answer:
Explanation:
The following is written in Java and has the methods as requested in the question...
class Dog {
private double age;
public Dog(double v) {
assert v >= 0:" Not valid";
this.age = v;
}
public boolean isOlder(Dog dog1, Dog dog2) {
if (dog1.age > dog2.age) {
return true;
} else {
return false;
}
}
}
Cleaning up a system helps clear up the space on the drives. It may also clear up processor usage, ram usage if you uninstall programs that automatically started when the system booted. You may also delete some unwanted programs in the process.
Answer:
Please find the code and its output in the attached file.
Explanation:
In the above-given code, an interface "Runner" is defined, inside the interface, an abstract method run is declared.
In the next step, three class "Athlete, Machine, and PoliticalCandidate" s defined that implements the run method, and use the print message that holds a given value as a message.
In the next step, a class "DemoRunners" is defined, and inside the main method, the three-class object is declared, which calls the run method.