All Packages  Class Hierarchy

Index of all Fields and Methods

A

affirmative(String). Static method in class utils.TxtGrph

Prompts for a 'Y' or 'N' response from the user

B

beep(). Static method in class utils.TxtGrph

Beeps the speaker

D

down(int). Static method in class utils.TxtGrph

Move cursor down n rows, but not below row 23 Row 24 is reserved for prompts This procedure cannot scroll the screen

E

eof(). Static method in class utils.Keyboard

eraseAll(). Static method in class utils.TxtGrph

Erase entire screen.

eraseBlock(int, int, int, int). Static method in class utils.TxtGrph

Erase block of characters on the screen

eraseChars(int). Static method in class utils.TxtGrph

Erase numchar characters starting at the cursor Does not test for writing past right mrgin.

eraseDown(). Static method in class utils.TxtGrph

Erase from cursor to bottom of the screen

eraseLeft(). Static method in class utils.TxtGrph

Erase from start of line to cursor

erasePrompt(). Static method in class utils.TxtGrph

Clears prompt line

eraseRight(). Static method in class utils.TxtGrph

Erase from cursor to end of the line

eraseUp(). Static method in class utils.TxtGrph

Erase from top of screen to cursor.

F

fmt(double). Static method in class utils.OutFmt

return double n as a String, using number of decimal places currently set (default 2, changed w/ setDecimalPlaces())

fmt(int). Static method in class utils.OutFmt

return int n as a String

G

getArrows(). Static method in class utils.TxtGrph

Waits for an arrow key to be pressed.

H

home(). Static method in class utils.TxtGrph

move the cursor to the top lefthand corner of screen.

homeAndClear(). Static method in class utils.TxtGrph

Clear screen then place cursor in upper left corner.

horizLine(int). Static method in class utils.TxtGrph

Draw horizontal line across from current cursor position

K

Keyboard(). Constructor for class utils.Keyboard

L

left(int). Static method in class utils.TxtGrph

Move cursor n columns to left, but not beyond column 0 This command will not move the cursor to a different row

LJust(String, int). Static method in class utils.OutFmt

return str as a String, LEFT-justified in col total columns; will not truncate Strings whose length is > col.

M

main(String[]). Static method in class utils.TxtGrph

O

OutFmt(). Constructor for class utils.OutFmt

P

position(int, int). Static method in class utils.TxtGrph

Position cursor at specified row and column

prompt(String). Static method in class utils.TxtGrph

Write a message on the prompt line

R

rand(). Static method in class utils.RandNums

return random number n, such that 0 <= n < Integer.MAX_VALUE.

randIntRange(int, int). Static method in class utils.RandNums

return random number n, such that low <= n <= high, even if low > high.

RandNums(). Constructor for class utils.RandNums

read(). Static method in class utils.SavitchIn

Reads the first byte in the input stream and returns that byte as an int.

readChar(). Static method in class utils.Keyboard

reads first char found in the input "stream", including whitespace.

readChar(). Static method in class utils.SavitchIn

Reads the next input character and returns that character.

readDouble(). Static method in class utils.Keyboard

reads first double found in the input "stream", discards the rest of the line; Ignores initial whitespace.

readDouble(). Static method in class utils.SavitchIn

Precondition: The next input consists of a double value, possibly preceded by white space, but definitely followed by white space.

readFloat(). Static method in class utils.SavitchIn

Precondition: The next input consists of a float value, possibly preceded by white space, but definitely followed by white space.

readInt(). Static method in class utils.Keyboard

reads first int found in the input "stream", discards the rest of the line; Ignores initial whitespace.

readInt(). Static method in class utils.SavitchIn

Precondition: The next input in the stream consists of an int value, possibly preceded by white space, but definitely followed by white space.

readLine(). Static method in class utils.SavitchIn

Reads a line of text and returns that line as a String value.

readLineBoolean(). Static method in class utils.SavitchIn

Input should consists of a single word on a line, possibly surrounded by white space.

readLineDouble(). Static method in class utils.SavitchIn

Precondition: The user has entered a number of type double on a line by itself, except that there may be white space before and/or after the number.

readLineFloat(). Static method in class utils.SavitchIn

Precondition: The user has entered a number of type float on a line by itself, except that there may be white space before and/or after the number.

readLineInt(). Static method in class utils.SavitchIn

Precondition: The user has entered a number of type int on a line by itself, except that there may be white space before and/or after the number.

readLineLong(). Static method in class utils.SavitchIn

Precondition: The user has entered a number of type long on a line by itself, except that there may be white space before and/or after the number.

readLineNonwhiteChar(). Static method in class utils.SavitchIn

Reads the first Nonwhite character on a line and returns that character.

readLineWord(). Static method in class utils.SavitchIn

Reads the first string of nonwhite characters on a line and returns that string.

readLong(). Static method in class utils.SavitchIn

Precondition: The next input consists of a long value, possibly preceded by white space, but definitely followed by white space.

readNonwhiteChar(). Static method in class utils.SavitchIn

Reads the next nonwhite input character and returns that character.

readString(). Static method in class utils.Keyboard

reads the next line in the input "stream", returns it as a java String.

readWord(). Static method in class utils.SavitchIn

Reads the first string of nonwhite characters and returns that string.

restoreCursor(). Static method in class utils.TxtGrph

Restore most recently saved cursor position

right(int). Static method in class utils.TxtGrph

Move cursor n columns to right; This command will not move the cursor to a different row

RJust(String, int). Static method in class utils.OutFmt

return str as a String, RIGHT-justified in col total columns; will not truncate Strings whose length is > col.

S

saveCursor(). Static method in class utils.TxtGrph

Store cursor position, overwriting any previously saved positions

SavitchIn(). Constructor for class utils.SavitchIn

setBold(). Static method in class utils.TxtGrph

Put into bold type (extra bright)

setDecimalPlaces(int). Static method in class utils.OutFmt

set the number of decimal places to be printed, w/ trailing 0's in subsequent printing operations.

setNormal(). Static method in class utils.TxtGrph

Restore to normal video The following function sets the local display so that all characters displayed after this function was called, would display using the default attributes, white-on-black, non-blinking.

setReverse(). Static method in class utils.TxtGrph

Put into reverse video, dark characters on light background.

setSeed(long). Static method in class utils.RandNums

"seed" the Random Number Generator (RNJ) with 'arg'.

setUnderline(). Static method in class utils.TxtGrph

sleep(double). Static method in class utils.TxtGrph

Pauses the machine for n seconds.

T

TxtGrph(). Constructor for class utils.TxtGrph

U

up(int). Static method in class utils.TxtGrph

Move cursor up n rows, but not above row 0 This procedure cannot scroll the screen

V

vertLine(int). Static method in class utils.TxtGrph

Draw vertical line down, from current cursor position cursor ends up below last segment of line