USER-DEFINED METHODS - Java Programming: From Problem Analysis to Program Design - page 455

System.out.print("Enter 1 or 2: ");
num = console.nextInt();
System.out.println();

System.out.print("Take ");

if (num == 1)
func1();
else if (num == 2)
func2();

else

System.out.println("Invalid input. "
+ "You must enter a 1 or 2");

}

public static void func1()
{

System.out.println("Programming I.");

}

public static void func2()
{

7

System.out.println("Programming II.");

}

}
a. What is the output if the input is 1 ?
b. What is the output if the input is 2 ?
c. What is the output if the input is 3 ?
d. What is the output if the input is -1 ?
28. Consider the following program:
import java.util.*;

public class Chapter7Ex28
{

static Scanner console = new Scanner(System.in);

public static void main(String[] args)
{

double one, two;

System.out.print("Enter two numbers: ");
one = console.nextDouble();
two = console.nextDouble();
System.out.println();

traceMe(one, two);
traceMe(two, one);

}