Question 1

If you give the same name to a class's instance field and to a local method variable, the instance variable overrides the method's local variable.

Accepted Answer

A) True 
 B)False

Question 2

What is the difference between class variables and instance variables?

Accepted Answer

Class variables are variables that are s

Question 3

Match between columns
                        Premises: Not a number

Accepted Answer

The Answer of nested and enumeration and Java.time and scope is...

Question 4

In a Java ____statement, you use a wildcard symbol to represent all the classes in a package.

Accepted Answer

A)  import 
B)  enumeration 
C)  package 
D)  default constructor 
A)  import 
B)  enumeration 
C)  package 
D)  default constructor

Question 5

The ____ package contains is implicitly imported into Java programs and is the only automatically imported, named package.

Accepted Answer

A)  javax.swing 
B)  java.lang 
C)  JOptionPane 
D)  System 
A)  javax.swing 
B)  java.lang 
C)  JOptionPane 
D)  System

Question 6

Match between columns
                        Premises: Library of classes

Accepted Answer

The Answer of overloading and constant and enumeration and optional is...

Question 7

A(n) ____ block begins immediately after the method declaration and ends at the end of the method.

Accepted Answer

A)  inner 
B)  outer 
C)  nested 
D)  overlapped 
A)  inner 
B)  outer 
C)  nested 
D)  overlapped

Question 8

When you pass a(n) ____, you pass a memory address.

Accepted Answer

A)  reference 
B)  class variable 
C)  value 
D)  static variable 
A)  reference 
B)  class variable 
C)  value 
D)  static variable

Question 9

Using Java statements, show how you can use the LocalDate class by using the full path and by using an import statement.

Accepted Answer

Statement to use the LocalDate class usi

Question 10

The java.lang package is implicitly imported into every program you write. The classes it contains are ____ that provide the basis of the Java programming language.

Accepted Answer

A)  optional classes 
B)  static classes 
C)  fundamental classes 
D)  anonymous classes 
A)  optional classes 
B)  static classes 
C)  fundamental classes 
D)  anonymous classes

Question 11

If a class's only constructor requires an argument, you must provide an argument for every ____ of the class that you create.

Accepted Answer

A)  parameter 
B)  type 
C)  object 
D)  method 
A)  parameter 
B)  type 
C)  object 
D)  method

Question 12

Because the square root of a negative number is not defined, what is the result of this statement: System.out.println (Math.sqrt(-16));

Accepted Answer

A)  Runtime error message 
B)  Syntax error 
C)  NaN 
D)  -4 
A)  Runtime error message 
B)  Syntax error 
C)  NaN 
D)  -4

Question 13

In the above code, what happens to the value of aNumber when the main() method is executed? What happens to the value of aNumber when the firstMethod and secondMethod methods are executed?

Accepted Answer

Initially, aNumber is declared and assig

Question 14

When an object of one class is a data field within another class, they are related by ____.

Accepted Answer

A)  extension 
B)  scope 
C)  composition 
D)  is-a 
A)  extension 
B)  scope 
C)  composition 
D)  is-a

Question 15

It is a convenience to be able to use one reasonable name for ____ that are functionally identical except for argument types.

Accepted Answer

A)  arguments 
B)  classes 
C)  tasks 
D)  packages 
A)  arguments 
B)  classes 
C)  tasks 
D)  packages

Question 16

The compiler determines which version of a method to call by the method's ____.

Accepted Answer

A)  name 
B)  signature 
C)  output 
D)  constructor 
A)  name 
B)  signature 
C)  output 
D)  constructor

Question 17

When you multiply an int and a double , the result is the int .

Accepted Answer

A) True 
 B)False

Question 18

Match between columns
                        Premises: A variable that hides another variable

Accepted Answer

The Answer of shadowing and enumeration and constant and package is...

Question 19

int aMethod(int x) 
void aMethod(int x) 
In the above statements, explain why these two methods are illegal in the class.

Accepted Answer

Methods with identical names that have i

Question 20

What is a reference and what is the meaning of the keyword this ?

Accepted Answer

A reference is an object's memory addres

If you give the same name to a class's instance field and to a local method variable, the instance variable overrides the method's local variable.

What is the difference between class variables and instance variables?

In a Java ____statement, you use a wildcard symbol to represent all the classes in a package.

The ____ package contains is implicitly imported into Java programs and is the only automatically imported, named package.

A(n) ____ block begins immediately after the method declaration and ends at the end of the method.

When you pass a(n) ____, you pass a memory address.

Using Java statements, show how you can use the LocalDate class by using the full path and by using an import statement.

The java.lang package is implicitly imported into every program you write. The classes it contains are ____ that provide the basis of the Java programming language.

If a class's only constructor requires an argument, you must provide an argument for every ____ of the class that you create.

Because the square root of a negative number is not defined, what is the result of this statement: System.out.println (Math.sqrt(-16));

In the above code, what happens to the value of aNumber when the main() method is executed? What happens to the value of aNumber when the firstMethod and secondMethod methods are executed?

When an object of one class is a data field within another class, they are related by ____.

It is a convenience to be able to use one reasonable name for ____ that are functionally identical except for argument types.

The compiler determines which version of a method to call by the method's ____.

When you multiply an int and a double , the result is the int .

int aMethod(int x) void aMethod(int x) In the above statements, explain why these two methods are illegal in the class.

What is a reference and what is the meaning of the keyword this ?

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters

Exam 4: More Object Concepts

If you give the same name to a class's instance field and to a local method variable, the instance variable overrides the method's local variable.

What is the difference between class variables and instance variables?

In a Java ____statement, you use a wildcard symbol to represent all the classes in a package.

The ____ package contains is implicitly imported into Java programs and is the only automatically imported, named package.

A(n) ____ block begins immediately after the method declaration and ends at the end of the method.

When you pass a(n) ____, you pass a memory address.

Using Java statements, show how you can use the LocalDate class by using the full path and by using an import statement.

The java.lang package is implicitly imported into every program you write. The classes it contains are ____ that provide the basis of the Java programming language.

If a class's only constructor requires an argument, you must provide an argument for every ____ of the class that you create.

Because the square root of a negative number is not defined, what is the result of this statement: System.out.println (Math.sqrt(-16));

In the above code, what happens to the value of aNumber when the main() method is executed? What happens to the value of aNumber when the firstMethod and secondMethod methods are executed?

When an object of one class is a data field within another class, they are related by ____.

It is a convenience to be able to use one reasonable name for ____ that are functionally identical except for argument types.

The compiler determines which version of a method to call by the method's ____.

When you multiply an int and a double , the result is the int .

int aMethod(int x) void aMethod(int x) In the above statements, explain why these two methods are illegal in the class.

What is a reference and what is the meaning of the keyword this ?

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters