Question 1

Enclosing a group of statements inside a set of braces creates a:

Accepted Answer

A)  block of statements 
B)  boolean expression 
C)  loop 
D)  nothing, it is just for readability 
A)  block of statements 
B)  boolean expression 
C)  loop 
D)  nothing, it is just for readability

Question 2

What will be the value of ans after the following code has been executed?
Int ans = 10;
Int x = 65;
Int y = 55;
If (x >= y)
Ans = x + y;

Accepted Answer

A)  10 
B)  120 
C)  100 
D)  No value, there is a syntax error. 
A)  10 
B)  120 
C)  100 
D)  No value, there is a syntax error.

Question 3

What will be printed when the following code is executed?
Double x = 45678.259;
String output = String.format("%,.1f", x);
System.out.println(output);

Accepted Answer

A)  45678.259 
B)  45,678.259 
C)  45,678.26 
D)  45,678.3 
A)  45678.259 
B)  45,678.259 
C)  45,678.26 
D)  45,678.3

Question 4

An important style rule you should follow when writing if statements is to line up the conditionally executed statement with the if statement.

Accepted Answer

A) True 
 B)False

Enclosing a group of statements inside a set of braces creates a:

What will be the value of ans after the following code has been executed? Int ans = 10; Int x = 65; Int y = 55; If (x >= y) Ans = x + y;

What will be printed when the following code is executed? Double x = 45678.259; String output = String.format("%,.1f", x); System.out.println(output);

An important style rule you should follow when writing if statements is to line up the conditionally executed statement with the if statement.

Introduction to Computers and Java

Java Fundamentals

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File IO

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters

Exam 3: Decision Structures

Enclosing a group of statements inside a set of braces creates a:

What will be the value of ans after the following code has been executed? Int ans = 10; Int x = 65; Int y = 55; If (x >= y) Ans = x + y;

What will be printed when the following code is executed? Double x = 45678.259; String output = String.format("%,.1f", x); System.out.println(output);

An important style rule you should follow when writing if statements is to line up the conditionally executed statement with the if statement.

Introduction to Computers and Java

Java Fundamentals

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File IO

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters