Variables:

Variables hold a piece of information and that information gets changed during the execution of the program.

It is a symbolic name to represent a location in RAM (Random Access Memory).

Variables permit to store and access the data that are present in the computer’s RAM.

Example:

Consider the following variables “speed”, “distance”, and “time” which stores value that changes during the program execution...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 1.5, Problem 1.10CP

Chapter 1.5, Problem 1.12CP

Students have asked these similar questions

A variable declaration specifies two things about a variable.

Summarize three common rules for naming variables

operator is used to define the reference variable

Chapter 1 Solutions

Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)

Ch. 1.3 - Why is the computer used by so many different...Ch. 1.3 - List the five major hardware components of a...Ch. 1.3 - Internally, the CPU consists of what two units?Ch. 1.3 - Prob. 1.4CP Ch. 1.3 - Prob. 1.5CP Ch. 1.3 - Prob. 1.6CP Ch. 1.3 - What does the term multitasking mean?Ch. 1.5 - Describe the difference between a key word and a...Ch. 1.5 - Prob. 1.9CP Ch. 1.5 - Describe the difference between a program line and...

Ch. 1.5 - Prob. 1.11CP Ch. 1.5 - What happens to a variables current contents when...Ch. 1.5 - What is a compiler?Ch. 1.5 - Prob. 1.14CP Ch. 1.5 - What is byte code?Ch. 1.5 - Prob. 1.16CP Ch. 1.6 - What four items should you identify when defining...Ch. 1.6 - Prob. 1.18CP Ch. 1.6 - What is pseudocode?Ch. 1.6 - Describe what a compiler does with a programs...Ch. 1.6 - Prob. 1.21CP Ch. 1.6 - Is a syntax error (such as misspelling a key word)...Ch. 1.6 - What is the purpose of testing a program with...Ch. 1.7 - Prob. 1.24CP Ch. 1.7 - Prob. 1.25CP Ch. 1.7 - Prob. 1.26CP Ch. 1.7 - Prob. 1.27CP Ch. 1.7 - Prob. 1.28CP Ch. 1 - Prob. 1MC Ch. 1 - A byte is made up of eight a. CPUs b. addresses c....Ch. 1 - Each byte is assigned a unique a. address b. CPU...Ch. 1 - Prob. 4MC Ch. 1 - Prob. 5MC Ch. 1 - These are words that have a special meaning in the...Ch. 1 - These are symbols or words that perform operations...Ch. 1 - These characters serve specific purposes, such as...Ch. 1 - These are words or names that are used to identify...Ch. 1 - Prob. 10MC Ch. 1 - Prob. 11MC Ch. 1 - Prob. 12MC Ch. 1 - Prob. 13MC Ch. 1 - The following pseudocode algorithm has an error....Ch. 1 - Available Credit A program that calculates a...Ch. 1 - Sales Tax A program that calculates the total of a...Ch. 1 - Account Balance A program that calculates the...Ch. 1 - The variable x starts with the value 0. The...Ch. 1 - The variable a starts with the value 10. The...Ch. 1 - Prob. 1SA Ch. 1 - Prob. 2SA Ch. 1 - What is the difference between operating system...Ch. 1 - Why must programs written in a high-level language...Ch. 1 - Why is it easier to write a program in a...Ch. 1 - What is a source file?Ch. 1 - Prob. 7SA Ch. 1 - What is an algorithm?Ch. 1 - What is a compiler?Ch. 1 - What must a computer have in order for it to...Ch. 1 - What is the difference between machine language...Ch. 1 - Why does byte code make Java a portable language?Ch. 1 - Prob. 13SA Ch. 1 - Prob. 14SA Ch. 1 - What part of an object forms an interface through...Ch. 1 - What type of program do you use to write Java...Ch. 1 - Will the Java compiler translate a source file...Ch. 1 - What does the Java compiler translate Java source...Ch. 1 - Prob. 19SA Ch. 1 - Prob. 20SA Ch. 1 - Your First Java Program This assignment will help...

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Solution Summary: The author explains that variables are symbolic names to represent a location in RAM (Random Access Memory). They store data that changes during the program execution.

Concept explainers

Explanation of Solution

Want to see the full answer?

Chapter 1 Solutions