Week 4: Recap Java Programming

Which of the following is the correct way to write a class signature? (The line of code to create an application)

• public class NameOfApplication{

• public class NameOfApplication

• public NameOfApplication{

Which of the following is the correct way to declare a variable to store an integer value named num1?

• double num1;

• int num1;

• int double num1;

• final int num1;

Fill in the missing blank:

keyboard=________ Scanner(System.in);

• space

• new

• in

• keyboard

Which is the correct naming convention for naming an application?

• newApplication

• NewApplication

• newapplication

• NEWAPPLICATION

What is the correct naming convention for naming a constant?

• constantName

• Constantname

• ConstantName

• CONSTANTNAME

What is the correct naming convention for naming a variable?

• VariableName

• variableName

• VARIABLENAME

• variablename

Fill in the missing blank?

num1= (a)   .nextInt();

Which of the following is the correct way to import the Scanner class?

• import java.Scanner;

• java.util.Scanner;

• import java.util.Scanner;

• import javax.utily.*;

Which of the following can we use for Grey Pop Up windows?

• Scanner

• JOptionPane

• keyboard

• System.out.println

Fill in the missing space:

final ____________ FLOWERCOST=2.33;

• double

• int

• char

• String