Question 1

What is the value of the following expression?
2 + 3 + 5 / 2

Accepted Answer

A) 5 
B) 6 
C) 7 
D) 7.5 
A) 5 
B) 6 
C) 7 
D) 7.5

Question 2

Assuming that the user inputs a value of 30 for the price and 10 for the discount rate in the following code snippet, what is the output?

Accepted Answer

A) The new price is 30.0 
B) The new price is 20.0 
C) The new price is 27.0 
D) The new price is 33.0 
A) The new price is 30.0 
B) The new price is 20.0 
C) The new price is 27.0 
D) The new price is 33.0

Question 3

Which one of the following statements can be used to get the fifth character from a string str?

Accepted Answer

A) char c = str.charAt(5); 
B) char c = str.charAt(4); 
C) char c = str[5]; 
D) char c = str[4]; 
A) char c = str.charAt(5); 
B) char c = str.charAt(4); 
C) char c = str[5]; 
D) char c = str[4];

Question 4

Which is a correct representation of the given mathematical expression in Java?

Accepted Answer

A) a + b % 2 
B) a + b / 2 
C) a + (b / 2) 
D) (a + b) / 2 
A) a + b % 2 
B) a + b / 2 
C) a + (b / 2) 
D) (a + b) / 2

What is the value of the following expression? 2 + 3 + 5 / 2

Assuming that the user inputs a value of 30 for the price and 10 for the discount rate in the following code snippet, what is the output?

Which one of the following statements can be used to get the fifth character from a string str?

Which is a correct representation of the given mathematical expression in Java?

Introduction

Using Objects

Implementing Classes

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Graphical User Interfaces

Advanced Input/Output

Multithreading

Internet Networking

Relational Databases

XML

Filters

Exam 4: Fundamental Data Types

What is the value of the following expression? 2 + 3 + 5 / 2

Assuming that the user inputs a value of 30 for the price and 10 for the discount rate in the following code snippet, what is the output?

Which one of the following statements can be used to get the fifth character from a string str?

Which is a correct representation of the given mathematical expression in Java?

Introduction

Using Objects

Implementing Classes

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Graphical User Interfaces

Advanced Input/Output

Multithreading

Internet Networking

Relational Databases

XML

Filters