Part 2 Textbook Exercises Methods For each of the following, enter T if the answ

Question

Part 2 Textbook Exercises Methods For each of the following, enter T if the answer is True, otherwise enter F for False. (1) (2) (3) Common programming practices include establishing the algorithm of Another term utilized to describe the call of a method is invocation. In the call of a method, always use the same number of arguments as a method after a stub is defined. there are found in the parameters of the declaration. O Copyright 2017 by P.E.P Page 1 of 4 CSC 156 Java Computer Science I HW 4 Student Name Section (4) Never use, in a Java applet, a method which works in a Java program, because they are not compatible. (5) A static method cannot be assessed without creating an object of the class type where the method is declared. Part 3 Topics in Computer Programming-class Math Predefined Methods Predefined mathematical methods that are part of the class Math in the package java. lang include those below. method name description abs mreturns the absolute value of m ceill m rounds m to the smallest integer not less than m floor m rounds m to the largest integer not greater than m max( m , n returns the larger of m and n minmn returns the smaller of m and n pow( m n returns m raised to the power n round m sqrt(m returns a value which is the integer closest to m retums a value which is the square root of m Evaluate each of the following, which include Math predefined methods.

Explanation / Answer

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Population { static BufferedReader theKeyboard = new BufferedReader(new InputStreamReader(System.in)); public static double population(double initial, double rate, double time) { double result; result = initial * Math.exp(rate * time); return result; } public static void main(String[] args) throws IOException { double N, k, t, endResult; System.out.print("Find bacteria population at specified time "); System.out.print("Enter initial population -> "); N = Double.parseDouble(theKeyboard.readLine()); System.out.print("Enter growth rate -> "); k = Double.parseDouble(theKeyboard.readLine()); System.out.print("Enter number of time periods -> "); t = Double.parseDouble(theKeyboard.readLine()); endResult = population(N, k, t); System.out.println("Population after " + t + " time periods = "); System.out.println(endResult); System.out.print("Press to continue"); char s = (char) theKeyboard.read(); } }

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