Question 1

The filename for the public class that begins with public class Addition must be

Accepted Answer

A) public.java. 
B) public.class.java. 
C) Addition.java. 
D) addition.java. 
A) public.java. 
B) public.class.java. 
C) Addition.java. 
D) addition.java.

Question 2

Which of the following statements would display the phase Java is fun?

Accepted Answer

A) System.out.println( "hellois fun\rJava " ); 
B) System.out.println( 'Java is fun' ); 
C) System.out.println( "\"Java is fun\"" ); 
D) System.out.println( Java is fun ); 
A) System.out.println( "hellois fun\rJava " ); 
B) System.out.println( 'Java is fun' ); 
C) System.out.println( "\"Java is fun\"" ); 
D) System.out.println( Java is fun );

Question 3

All import declarations must be placed

Accepted Answer

A) inside the class declaration's body. 
B) before the class declaration. 
C) after the class declaration. 
D) all of the above will work. 
A) inside the class declaration's body. 
B) before the class declaration. 
C) after the class declaration. 
D) all of the above will work.

Question 4

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Accepted Answer

A) Mismatched {} 
B) Missing */ in a comment that begins with /* 
C) Missing ; 
D) An extra blank line. 
A) Mismatched {} 
B) Missing */ in a comment that begins with /* 
C) Missing ; 
D) An extra blank line.

Question 5

Which of the following is not a compilation error?

Accepted Answer

A) Neglecting to initialize a local variable in a method before it is used. 
B) Placing a semicolon at the end of the first line of an if statement. 
C) Omitting the left and right parenthesis for the condition of an if statement. 
D) All are compilation errors. 
A) Neglecting to initialize a local variable in a method before it is used. 
B) Placing a semicolon at the end of the first line of an if statement. 
C) Omitting the left and right parenthesis for the condition of an if statement. 
D) All are compilation errors.

Question 6

Which of the following is a variable declaration statement?

Accepted Answer

A) int total; 
B) import java.util.Scanner; 
C) public static void main( String args[] ) 
D) // first string entered by user 
A) int total; 
B) import java.util.Scanner; 
C) public static void main( String args[] ) 
D) // first string entered by user

Question 7

Which of the following statements is true?

Accepted Answer

A) System.out.print("Enter your age: ");prompts the user to take action. 
B) Class names typically begin with a capital letter. 
C) Package java.lang is imported in every Java program. 
D) All of the above are true. 
A) System.out.print("Enter your age: ");prompts the user to take action. 
B) Class names typically begin with a capital letter. 
C) Package java.lang is imported in every Java program. 
D) All of the above are true.

Question 8

Which of the following escape sequences represents a carriage return?

Accepted Answer

A) 
. 
B) . 
C) \cr. 
D) \c. 
A) 
. 
B) . 
C) \cr. 
D) \c.

Question 9

Optional parentheses in expressions are said to be

Accepted Answer

A) redundant. 
B) binary operators. 
C) implied. 
D) declared. 
A) redundant. 
B) binary operators. 
C) implied. 
D) declared.

Question 10

Which of the following does not contain a syntax error?

Accepted Answer

A) System.out.println( 'Hello world!' ): 
B) System.out.println( "Hello
World!" ); 
C) System.out.println( "Hello world!" ); 
D) System.out.println( Hello world! ); 
A) System.out.println( 'Hello world!' ): 
B) System.out.println( "Hello
World!" ); 
C) System.out.println( "Hello world!" ); 
D) System.out.println( Hello world! );

Question 11

Which of the following is not an arithmetic operator?

Accepted Answer

A) + 
B) - 
C) . 
D) % 
A) + 
B) - 
C) . 
D) %

Question 12

Which of the following statements does not alter the value stored in a memory location?

Accepted Answer

A) int a; 
B) number = 12; 
C) y = y + 2; 
D) width = Integer.parseInt(input); 
A) int a; 
B) number = 12; 
C) y = y + 2; 
D) width = Integer.parseInt(input);

Question 13

Which of the following is a Scanner method for inputting an integer value?

Accepted Answer

A) nextInteger 
B) integer 
C) nextInt 
D) int 
A) nextInteger 
B) integer 
C) nextInt 
D) int

Question 14

Which of the following is not a Java primitive type?

Accepted Answer

A) char 
B) byte 
C) real 
D) double 
A) char 
B) byte 
C) real 
D) double

The filename for the public class that begins with public class Addition must be

Which of the following statements would display the phase Java is fun?

All import declarations must be placed

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Which of the following is not a compilation error?

Which of the following is a variable declaration statement?

Which of the following statements is true?

Which of the following escape sequences represents a carriage return?

Optional parentheses in expressions are said to be

Which of the following does not contain a syntax error?

Which of the following is not an arithmetic operator?

Which of the following statements does not alter the value stored in a memory location?

Which of the following is a Scanner method for inputting an integer value?

Which of the following is not a Java primitive type?

Introduction to Computers and Java

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components: Part 1

Graphics and Java 2D

Strings

Files,streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

JavaFX

Filters

Exam 2: Introduction to Java Applications

The filename for the public class that begins with public class Addition must be

Which of the following statements would display the phase Java is fun?

All import declarations must be placed

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Which of the following is not a compilation error?

Which of the following is a variable declaration statement?

Which of the following statements is true?

Which of the following escape sequences represents a carriage return?

Optional parentheses in expressions are said to be

Which of the following does not contain a syntax error?

Which of the following is not an arithmetic operator?

Which of the following statements does not alter the value stored in a memory location?

Which of the following is a Scanner method for inputting an integer value?

Which of the following is not a Java primitive type?

Introduction to Computers and Java

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components: Part 1

Graphics and Java 2D

Strings

Files,streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

JavaFX

Filters