CS 2336 Ch. 1
applications
Java __________ can run from a Web browser.
Sun Microsystems
Java was developed by __________.
8
One byte contains how many bits?
.java
The extension name of a Java source code file is
megahertz / gigahertz
The speed of the CPU may be measured in
Test.java
Suppose you define a Java class as follows: public class Test { } In order to compile this program, the source code should be stored in a file named
javac Test.java
The JDK command to compile a class in the file Test.java is
.class
The extension name of a Java bytecode file is
Java bytecode
Which JDK command is correct to run a Java application in ByteCode.class?
Floppy disk, hard disk, flash stick, CD-ROM
Which of the following are storage devices?
public, static, void, class
Which of the following are the reserved words?
B. System.out.println("Welcome to Java"); E. System.out.print("Welcome to Java");
Which of the following statements is correct to display Welcome to Java on the console? A. System.out.println('Welcome to Java'); B. System.out.println("Welcome to Java"); C. System.println('Welcome to Java'); D. System.out.print('Welcome to Java'); E. System.out.print("Welcome to Java");
Every statement in a program must end with a semicolon.
Which of the following statements is correct?
because digital devices have two stable states and it is natural to use one state for 0 and the other for 1.
Why do computers use zeros and ones?
Software, programs
__________ are instructions to the computer.
Java JDK
consists of a set of separate programs for developing and testing Java programs, each of which is invoked from a command line.
Java API
contains predefined classes and interfaces for developing Java programs.
network interface controller (NIC)
is a device to connect a computer to a local area network (LAN)
Operating system
is a program that runs on a computer to manage and control a computer's activities.
JVM (Java Virtual Machine)
is a software that interprets Java bytecode
Java language specification
is a technical definition of the language that includes the syntax and semantics of the Java programming language.
CPU
is the brain of a computer.
Hardware
is the physical aspect of the computer that can be seen.
The main method header is written as:
public static void main(String[] args)
A compiler
translates high-level language program into machine language program.
machine language
Computer can execute the code in this level of programming
logic error
If a program compiles fine, but it produces incorrect result, then the program suffers __________.
compilation error
If you forget to put a closing quotation mark on a string, what kind error will be raised?
Java bytecode
Java compiler translates Java source code into __________.