Define a public class named Flip with a single public instance method called flop that takes no parameters and returns a boolean. It should also provide a single constructor that takes a boolean argument that sets the initial state of the Flip instance.

Flip.java

public class Flip {

   // private attribute indicating state

   private boolean state;

   // constructor taking initial boolean value for the state

   public Flip(boolean state) {

        this.state = state;

   }

   // method to switch the state and return new state

   public boolean flop() {

        // changing state to false if it is true, true if it is false

        state = !state;

        // returning the new state

        return state;

   }

   // main method containing code for testing. remove if you don't need this

   public static void main(String[] args) {

        Flip flip = new Flip(true);

        System.out.println(flip.flop()); // false

        System.out.println(flip.flop()); // true

        System.out.println(flip.flop()); // false

        Flip flop = new Flip(false);

        System.out.println(flop.flop()); // true

        System.out.println(flop.flop()); // false

        System.out.println(flop.flop()); // true

   }

}

Explanation:

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