public boolean simulate(){ int a = 0; for(int i=0; i = 24){ return true; } elif(a <0){ return false; } else{ return false; } }

public double runSimulations(int num){ double a =0.0; for(int i =0; i < num; i++){ if(simulate() = true){ a++ } } return (a/num) }

One constructor for the FrogSimulation class 3 instance methods: 2 public and 1 private

B2. When you program, how to use standard classes provided in Java library? You can import them by typing import and the class's name. For example, if you want to import scanner, you can type import java.util.Scanner or you can type import java.util.* to import all classes in util.