Quiz#2

Given the following class declaration:
class Table {
int legs;

String color;
}

Which of the following choices represent the memory after creating an object of Table using the following statement:
Table tab1 = new Table( );

• 
• 
• 

Read the following Java code:

public class Test {

public static void main (String [] args){

Plane p1 = new Plane( );

................................... // This is the blank

} }

class Plane {

String name;

double engine;}

Which of the following statements is correct to be written in the blank?

• p1.engine = "Air";

• p1. name = "Jet";

• name = "Jet";

• Plane.name="Jet";

Read the following Java code:

public class Test {

public static void main (String [] args){

Plane p1 = new Plane( );

................................... // This is the blank

} }

class Plane {

String name;

double engine;

void run( )
{System.out.println(name);}

}

Which of the following statements is correct to be written in the blank to call the run method?

• p1.run( );

• System.out.println(p1.run( ));

• double d = p1.run( );

• p1.run("Jet",3.1);

• run( );

Read the following Java code:

public class Test {

public static void main (String [] args){

Plane p1 = new Plane( );

................................... // This is the blank

} }

class Plane {

private String name;

public double engine;

}

Which of the following statements is correct to be written in the blank?

• engine = 3.5;

• p1.engine = 3.5;

• p1.name = "Jet";

• name = "Jet";

• p1 = ("Jet",3.5);

Read the following Java code:

public class Test {

public static void main (String [] args){

Plane p1 = new Plane( );

p1.help( );

} }

class Plane {

private String name;

public double engine;

double help( )

{return engine + 5.1; }

}

What is the output after executing the code above?

• 5.1

• 0.0

• No output

• Error in code