Compares two points by polar angle (between 0 and 2pi) with respect to this point. @return the comparator

Removes and returns the item most recently added to this stack. @return the item most recently added @throws NoSuchElementException if this stack is

Flushes this output stream.

Prints a formatted string to this output stream, using the specified format string and arguments, and then flushes this output stream. @param format

Reads all remaining tokens from standard input, parses them as doubles, and returns them as an array of doubles. @return all remaining doubles on stan

Reads all remaining tokens from standard input, parses them as integers, and returns them as an array of integers. @return all remaining integers on s

Reads the next token from standard input, parses it as a boolean, and returns the boolean. @return the next boolean on standard input @throws NoSuchE

Reads and returns the next character in this input stream. @return the next character in this input stream

Reads the next token from standard input, parses it as a double, and returns the double. @return the next double on standard input @throws NoSuchElem

Reads the next 32 bits from standard input and return as a 32-bit int. @return the next 32 bits of data from standard input as a {@code int} @throws

Reads the next 64 bits from standard input and return as a 64-bit long. @return the next 64 bits of data from standard input as a {@code long} @throw

Draws a rectangle of the specified size, centered at (<em>x</em>, <em>y</em>). @param x the <em>x</em>-coordinate of the center of the rectangle @pa

If StdIn changes, use this to reinitialize the scanner.

Saves the drawing to using the specified filename. The supported image formats are JPEG and PNG; the filename suffix must be {@code .jpg} or {@code .p

Saves this drawing to a file. @param filename the name of the file (with suffix png, jpg, or gif)

Saves the picture to a file in a standard image format. The filetype must be .png or .jpg. @param name the name of the file

Sets the canvas (drawing area) to be 512-by-512 pixels. This also erases the current drawing and resets the coordinate system, pen radius, pen color,

Sets the canvas (drawing area) to be <em>width</em>-by-<em>height</em> pixels. This also erases the current drawing and resets the coordinate system,

Sets the seed of the pseudorandom number generator. This method enables you to produce the same sequence of "random" number for each execution of the

Sets the x-scale to be the default (between 0.0 and 1.0).

Sets the y-scale to be the default (between 0.0 and 1.0).

Displays on screen, pause for {@code t} milliseconds, and turn on <em>animation mode</em>. Subsequent calls to drawing methods such as {@code line()},

Returns the number of items in this bag. @return the number of items in this bag

Returns the number of items in this stack. @return the number of items in this stack

Returns the number of items in this queue. @return the number of items in this queue

Draws a square of side length 2r, centered on (x, y). @param x the x-coordinate of the center of the square @param y the y-coordinate of the center

Helper functions to restore the heap invariant.

Returns the character corresponding to the argument index. @param index the index @return the character corresponding to the index {@code index} @th

Returns the index corresponding to the argument character. @param c the character @return the index corresponding to the character {@code c} @throws

Returns the x-coordinate. @return the x-coordinate

Returns the y-coordinate. @return the y-coordinate

Initializes a new alphabet from the given set of characters. @param alpha the set of characters

Initializes an empty bag.

This class should not be instantiated.

Initializes a new counter starting at 0, with the given id. @param id the name of the counter

Initializes an empty drawing object with the given name. @param name the title of the drawing window.

Initializes an input stream from standard input.

Initializes an empty indexed priority queue with indices between {@code 0} and {@code maxN - 1}. @param maxN the keys on this priority queue are inde

Initializes a closed interval [min, max]. @param min the smaller endpoint @param max the larger endpoint @throws IllegalArgumentException if the mi