CIS 120- Java Programming I

Terms

100

You cannot close a statement without this

A semicolon ;

200

This will close your main method and your class

Curly Brace }

300

This describes the kind of data you have.

Data Type

400

The definite number or text of something

Value

500

A hexidecimal memory location in your computer given a name

Variable

Data Types

100

This can hold only one keyboard letter or symbol

Character (char)

200

This can hold only values of true or false

Boolean

300

This can hold any whole number

Integer (int)

400

This can hold a number and a decimal value

Double (double)

500

This can hold any number of symbols in a line of text

String

Operators

100

This can add or concatenate a String

+

200

This executes arithmetic subtraction

-

300

This executes arithmetic multiplication

*

400

This executes arithmetic division

/

500

This returns the remainder of a division

Modulus %

Variable tracing

100

What is the final value of value1?

double value1 = 10.9;

double value2 = 100.95;

value1 =103.7;

value2 = 99.1;

103.7

200

What is the final value of Message?

String memo = "Hello";

String message = "My name is Kevin.";

memo = "Goodbye";

message = "I like dogs.";

"I like dogs."

300

What is the final value of c1?

char c = 'B';

char c1 = 'V';

c1 = 'W';

String c2 = c+c1;

W

400

What is the final value of secondInt?

int firstInt = 100;

int secondInt =38;

secondInt++;

secondInt = secondInt*2 +1;

79

500

What is the final value of d3?

double d1 = 107.1;

double d2 = 107.9;

double d3 = (.2*(d1+d2)/d2)*0);

0

Scanner methods

100

Assume: import java.util.Scanner;

Scanner kb = new Scanner(System.in);

This method allows the user to input an integer

kb.nextInt();

200

Assume: import java.util.Scanner;

Scanner kb = new Scanner(System.in);

This method allows the user to input a number and a decimal.

kb.nextDouble();

300

Assume: import java.util.Scanner;

Scanner kb = new Scanner(System.in);

This method allows the user to input a true or a false

kb.nextBoolean();

400

Assume: import java.util.Scanner;

Scanner kb = new Scanner(System.in);

This method allows the user to input a one-word text value.

kb.next();

500

Assume: import java.util.Scanner

Scanner kb = new Scanner(System.in);

This method allows the user to enter multiple text phrases.

kb.nextLine();