Unit 3: Skill Practice

Unit 3 Skill Practice
***multiple choice questions 6,7,8,13 have already been done before***
17. 5
18. 2.0
19. 3.141592653589793
20. 6
21. 4
22. 8
23. 8.0
28. System.out.print("\"Welcome " + "to " + "Java " + "Illuminated\"");
29. int i = Math.min(3,5);
	System.out.print(i);
30. double d = 5.0;
	System.out.print(Math.sqrt(d));
31.
import java.util.*;
public class scanner
{
    public static void main (String [] args)
    {
        Scanner console = new Scanner(System.in);
        System.out.println("Type in a value.");
        int x = console.nextInt();
        System.out.println("Type in another value.");
        int y = console.nextInt();
        System.out.print("The minimum is " + Math.min(x,y));
}
}
32.
import java.util.*;
public class 3scanner
{
	public static void main (String [] args)
	{
		Scanner console = new Scanner (System.in);
		System.out.println("Type in a value");
		int x = console.nextInt();
		System.out.println("Type in another value.");
		int y = console.nextInt();
		System.out.println("Type in a third value.");
		int x = console.nextInt();
		System.out.print("The maximum of the three values is " + Math.max(x,y,z));
}
}
34.
import java.util.*;
public class doubleScanner
{
	public static void main (String [] args)
	{
		Scanner console = new Scanner (System.in);
		System.out.println("Type in a value.");
		double x = console.nextDouble();
		System.out.println("The square of the value is " + x*x);
}
}
40. data type short cannot have a decimal point; should be either float or double
41. int should be double
42. should be Math.PI
46. math should be capitalized, should be Math.sqrt(6);
47. shouldn't be parentheses after Math.PI, take out parentheses
48. e should be capitalized, should be Math.E;
53.
import java.util.*;
public class question53
{
    int rand;
    int x;
    int y;
    public static void randomNumber() //this is the random method
    {
        Random rand = new Random();
        int x = rand.nextInt(101);
        System.out.println("One of the 2 random numbers is " + x);
        Random rand2 = new Random();
        int y = rand.nextInt(101);
        System.out.println("The other random number is " + y);
        System.out.print("The minimum of the two numbers is " + Math.min(x,y));

}
}
54.
import java.util.*;
public class question54
{
    public static void scannerMethod() //this is the scanner
    {
    Scanner console = new Scanner(System.in);
    System.out.println("Type in any number.");
    double x = console.nextInt();
    System.out.println("The cube of the number is " + x*x*x);
}
}