Review Reading:
Terminology, Skills, and Concepts
Basic Unix Commands and file permissions (chmod) Basic HTML client-server computing JavaScript cookies applet editor compiler programming language bytecode Java virtual machine algorithm Java: classes and objects, constructors methods (functions) simple I/O variables assignment statements operators if-else loops parameters (arguments) compound statements (blocks) scope overloading methods
Practice Questions
What is the difference between System.out.print(); and
System.out.println();?
What does System.in refer to?
What do these file extensions tell you about the information
contained in the files: .gif .java .html .class
In the statement:
System.out.println("Miles per gallon: "+mpg);
How is the + operator being used?
What is the purpose of these operators: == ++ -- *= != %
Where would you expect to see: throws IOException?
Given:
int score;
BufferedReader in =new BufferedReader
new InputStreamReader(System.in));
System.out.println("Please enter score: ");
score=Integer.parseInt(in.readLine());
if (score>=90)
System.out.println("Grade: A");
else if (score>=80)
System.out.println("Grade B");
else if (score>=70)
System.out.println("Grade C");
else
System.out.println("You need to study!");
System.out.println("Bye");
What happens if the user enters: 79? What if the user enters 65?
What are the two meanings of the Unix command mv?
What does mv filename directoryname do?
What would this Unix command do: chmod u-w filename
True or False:
1) Javascript is the same as Java.
2) Javascript is case sensitive.
3) Unix is case sensitive.
4) Java is case sensitive.
5) HTML is case sensitive.
review reading in values of different types:
integers
doubles
Strings
What is this statement? static final double PI=3.14159;
Standard Disclaimer: This is a guide only and is not comprehensive.
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