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How to draw a square in java?

  1. A square has a width and a height, both are equal size.
  2. The way to draw a square in Swing is with drawRect(x, y, width, height) draw(Shape) of the Graphics2D method where Shape would be an instance of Rectangle2D.

How do you draw shapes in Java?

  1. Create a new Frame .
  2. Create a class that extends the Component class and override the paint method.
  3. Use Graphics2D.
  4. Use Graphics2D.
  5. Use Graphics2D.
  6. Use Graphics2D.

Which method is use to draw a square?

Explanation: For example if we want to draw a square of 4×4, first draw a horizontal line of 4; At one end draw a line at 90° to first line by set square. Then similarly draw another line at other end that too at 90° to first line.

How do you draw a box in Java?

  1. First of all, never draw directly in the JFrame or other top-level window.
  2. Instead draw in a JPanel, JComponent or other class that eventually extends from JComponent.
  3. You should override the paintComponent(Graphics g) method.
  4. You should be sure to call the super method.

What is Pi in Java?

PI is a static final double constant in Java, equivalent to in π Mathematics.” Provided by java. lang. Math class, Math. PI constant is used to carry out multiple mathematical and scientific calculations like finding the area & circumference of a circle or the surface area and volume of a sphere.

How do you square a number?

Want to square a number? Just take the number and multiply it by itself! If you square an integer, you get a perfect square!

What are shapes Java?

The Shape interface provides definitions for objects that represent some form of geometric shape. The Shape is described by a PathIterator object, which can express the outline of the Shape as well as a rule for determining how the outline divides the 2D plane into interior and exterior points.

How do you code a rectangle in Java?

Similarly, we will draw a rectangle on Java applet by two ways . By using the drawRect(int x, int y, int width, int height) or by drawing four lines joining the edges . At a position 100,100 on the applet. Input : x and y coordinates 100, 100 respectively Width and height 200 and 200 respectively.

Which tool is used to execute an applet?

Using an applet viewer, such as the standard tool, applet-viewer. An applet viewer executes your applet in a window. This is generally the fastest and easiest way to test your applet.

How do you plot a square?

How do you draw a square diagram?

Place the spike of the compass on point Q and draw an arc somewhere below the arm MN. Place the spike of the compass on point P and draw another arc which cuts the arc drawn in the previous step at some point (say R). Connect the points P and R and the points Q and R using a straightedge. The figure PMQR is a square.

How do you draw a set square?

Step 1: Position an edge of the set square along the given line, AB. Step 2: Place a ruler against one of the other edges. Step 3: Slide the set square along the ruler until the edge used in Step 1 passes through the given point P. Step 4: Draw the line CD through P.

What is fillRect in Java?

public abstract void fillRect(int x, int y, int width, int height): is used to fill rectangle with the default color and specified width and height. … public abstract void fillOval(int x, int y, int width, int height): is used to fill oval with the default color and specified width and height.

Which method is used to draw a rectangle?

Answer: To draw a rectangle, use the drawRect() method of a Graphics object. This method looks like: drawRect(int x, int y, int width, int height).

How do you draw a rectangle?

  1. Draw a straight, horizontal line using a ruler.
  2. Make a shorter vertical line coming down from one end of the first line.
  3. Draw a horizontal line coming off the bottom end of the vertical line.
  4. Draw a vertical line between the ends of the two horizontal lines.
  5. Color in your rectangle to make it pop.