Introduction to Java Chapter 1 Worksheet

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The API acronym is

Applic

List the most common errors

Common errors include missing braces, missing semicolons, missing quotation marks, and misspelling names.

Which speed are processors measured at now?

Gigahertz, or GHz

Define hertz (Hz)

Hertz is the unit of measurement of clock speed

The IDE acronym is

Integrated Development Environment

Is the JVM an interpreter or a compiler?

JVM is an interpreter, NOT a complier

What does JVM do?

JVM, or Java Virtual Machine interprets Java bytecode

List a high-level language

Java

The JDK acronym is

Java Development Toolkit/Kit

The JRE acronym is

Java Runtime Environment

What does JVM stand for?

Java Virtual Machine

Does Java use a compiler, or an interpreter?

Java uses a complier

List 3 operating systems

Microsoft Windows, Apple Mac OS, and Linux.

Output devices

Monitor

Input devices

Mouse and keyboard

Define and explain RAM

A RAM is a random-access memory where the bytes in the said memory can be accessed in any order and the more RAM a computer has, the faster it can run.

What is a bit?

A bit is a binary digit, like 0 or 1.

What is a byte?

A byte is a sequence of 8 bits.

What are the ways comments can be displayed in Java?

A comment that takes up only a single line can be displayed in / / while a comment that takes up multiple lines can be displayed in /* ... */

What kind of file is generated when a .java file is compiled?

The kind of file generated is .class

What are three programming errors?

The three programming errors are syntax, runtime, and logic.

Which two styles can blocks be defined by?

The two styles for blocks are non-nested and nested.


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