Question

CHALLENGE ACTIVITY 3.11.1: Using boolean. D Assign is Teenager with true if kidAge is 13 to 19 inclusive. Otherwise, assign is Teenager with false. 1 import java.util.Scanner; 3 public class TeenagerDetector 1 public static void main (String [] args) { Scanner scnr = new Scanner(System.in); boolean isTeenager; int kidAge; D}]oll kidage = scnr.nextInt(); /* Your solution goes here */ Go USB if (isTeenager) { System.out.println("Teen"); else { System.out.println("Not teen"); 20 Run Feedback? CHALLENGE ACTIVITY 3.11.2: Boolean in branching statements. Write an if-else statement to describe an object. Print "Balloon' if isBalloon is true and isRed is false. Print "Red balloon" if is Balloon and isRed are both true. Print 'Not a balloon' otherwise. End with newline. (Notes) 1 import java.util.Scanner; 3 public class RedBalloon { public static void main (String [] args) { Scanner scnr = new Scanner(System.in); boolean isRed; boolean isballoon; isRed = scnr.nextBoolean(); isBalloon = scnr.nextBoolean(); /* Your solution goes here */ 25 Run

Answer 1

$\color{blue}\underline{1:}$

import java.util.Scanner;

public class TeenagerDetector {

    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        boolean isTeenager;
        int kidAge;

        kidAge = scnr.nextInt();

        isTeenager = kidAge >= 13 && kidAge <= 19;

        if (isTeenager) {
            System.out.println("Teen");
        } else {
            System.out.println("Not teen");
        }
    }
}

$\color{blue}\underline{2:}$

import java.util.Scanner;

public class RedBalloon {

    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        boolean isRed;
        boolean isBalloon;

        isRed = scnr.nextBoolean();
        isBalloon = scnr.nextBoolean();

        if (isRed && isBalloon) {
            System.out.println("Red balloon");
        } else if (isBalloon) {
            System.out.println("Balloon");
        } else {
            System.out.println("Not a balloon");
        }
    }
}

$\color{blue}\underline{3:}$

import java.util.Scanner;

public class DetectWord {

    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        String userString;

        userString = scnr.next();

        if (userString.equals("Quit")) {
            System.out.println("Goodbye");
        } else {
            System.out.println("Hello");
        }
    }
}

$\color{blue}\underline{4:}$

import java.util.Scanner;

public class OrderStrings {

    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        String firstString;
        String secondString;

        firstString = scnr.next();
        secondString = scnr.next();

        if (firstString.compareTo(secondString) < 0) {
            System.out.println(firstString + " " + secondString);
        } else {
            System.out.println(secondString + " " + firstString);
        }
    }
}