Commenting out code makes the computer ignore it, so it does not run.

Compound Assignment Operators

Allows programmers to shortcut variable assignments that include the variable being assigned a new value: x = x + y; shortcut: x += y.

A way to classify the kind of information you can use in programming, like numbers, words, or true/false values.

Debugging is fixing a problem in your code.

Decrease the value of a variable by one. variable-;.

Documentation is the reference for how to use different methods and classes.

Escape sequences are characters with special meanings.

Increase the value of a variable by one. variable++.

A temporary memory area where input from the user is stored before being processed.

When two integers are divided, the decimal values are truncated, or chopped off.

An error that occurs when the result of an integer operation does not fit within the allocated memory space.

/** 1. One sentence description of code's function. 2. Preconditions 3. Postconditions 4. Block tags */

A collection of modules and packages.

A method is a way to teach the computer a new command.

Classes can have multiple methods with the same name, as long as the parameters to those methods are different. Doing this is called "overloading" a method.

A method's signature is the name of the method and the parameter list.

The modulus operator (written as % in most programming languages) divides two numbers and returns the remainder.

/* This is a multi- Line comment*/

The order in which mathematical expressions should be evaluated. Starts with Parentheses, Exponents, Multiplications and Division, Addition and Subtraction.

A variable passed into a method from outside the method.

What should be true after a method is called.

Assumptions we make about what must be true before a method is called.

Primitive types are the basic, simple data types that are inherent to Java (int, double, char, and boolean).

The process of changing the value stored in a variable.

Reference variables store the address of the value.

Indicates what type value is being returned from the method.

The difference between the calculated approximation of a number and its exact mathematical value due to rounding.

A class within java.util. It contains code specifically designed to help with user input.

//This is a single line comment.

String is a Java type that represents a string of characters (text).

The rules for writing code in a specific programming language.

An error in the sequence of words or rules in a program that prevents the program from running.

Java method that lets us print output to the user, without ending the line printed.

Java method that lets us print out a line of output to the user.

To remove the digits to the right of the decimal point without rounding.

To trim some digits of a float or double-type number or some characters of a string from the right.

A symbol or container that holds a value.

A return type that means the method does not return a value.

Codehs Vocab Flashcards

Student preview

45 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Algorithm

Back

An algorithm is a set of steps or rules to follow to solve a particular problem.

2.

FLASHCARD QUESTION

Front

API

Back

An API (application programming interface) is a set of tools for building programs.

3.

FLASHCARD QUESTION

Front

Argument

Back

A variable passed as a value to a function.

4.

FLASHCARD QUESTION

Front

Arithmetic Expression

Back

A combination of numbers, operators, and sometimes variables that computes a value.

5.

FLASHCARD QUESTION

Front

Assignment Statement

Back

A line of code that assigns a value to a variable using the = operator.

6.

FLASHCARD QUESTION

Front

Boolean

Back

A boolean is a true or false value.

7.

FLASHCARD QUESTION

Front

Casting

Back

Casting is turning something of one type into another type.

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