How do you write a Java program to print the area and perimeter of a Rectangle?

How do you write a Java program to print the area and perimeter of a Rectangle?

JAVA

1. public class Main.
2. {
3. public static void main (String args[])
4. { float a ,b, c, d, perimeter;
5. a=c= 5;
6. b=d=4;
7. perimeter = 2*(a+b);
8. System.out.println(“Perimeter of Rectangle is: “+perimeter);

How do you represent a Rectangle in Java?

As of JDK version 1.1, replaced by setSize(int, int) . Sets the bounding Rectangle of this Rectangle to the specified x , y , width , and height . Sets the bounding Rectangle of this Rectangle to match the specified Rectangle . Moves this Rectangle to the specified location.

How do you find the intersection of two rectangles in Java?

Rectangle rect1 = new Rectangle(100, 100, 200, 240); Rectangle rect2 = new Rectangle(120, 80, 80, 120); Rectangle intersection = rect1. intersection(rect2);

Which method helps to set the width of a Rectangle outline in Java?

Method Summary

How do you code the perimeter of a rectangle?

The perimeter formula for a rectangle states that P = (L + W) × 2, where P represents perimeter, L represents length, and W represents width.

What is the formula of perimeter of a rectangular object?

What is the formula for the perimeter of a rectangle? The formula for the perimeter of a rectangle is, P = length + breadth + length + breadth.

How do you create a rectangle box in Java?

1. OP is writing their main method in a class named Rectangle …
2. import java.awt.Rectangle; public class Rectangle { public static void main(String[] args) { Rectangle box= new Rectangle(5,10,20,30); System.out.println(box); } }
3. import java.awt.Rectangle; public class Rectangle {
4. Rectangle box= new Rectangle(5,10,20,30);

Is there a rectangle class in Java?

The Rectangle class contains two fields length and breadth of type int that correspond to the length and breadth of the rectangle respectively. In addition, the Rectangle class also contains two methods named setData () and area ().

How do you find the point of intersection of two rectangles?

In order to check that two rectangles intersect all that’s needed is x1 < x4 && x3 < x2 && y1 < y4 && y3 < y2 . That’s it. (I used strict inequalities to exclude touching rectangles.)

How will you check if two rectangles are intersecting or not?

It is easy to visualize that the given two rectangles can not be intersect if one of the following conditions is true. Condition 1: When left edge of R1 is on the right of R2’s right edge. ( That is , R1 is completely on the right of R2). Condition 2: When right edge of R1 is on the left of R2’s left edge.

How do you draw and fill a rectangle in Java?

To draw a solid (filled) rectangle, fillRect () method is used. This method also takes four parameters similar to the drawRect () method. A rounded outlined rectangle can be drawn by using the drawRoundRect () method. This method takes the six parameters.

How do you write the perimeter of a rectangle in Javascript?

JS

1. var h = document. getElementById(“height”). value;
2. var perimeter = w + w + h + h;
3. var result = “Area: ” + area + ” Perimeter: ” + perimeter;
4. document. getElementById(“output”). innerHTML = result; }

What is perimeter in Java?

Java: Perimeter of a rectangle

A perimeter is a path that surrounds a two-dimensional shape. The word comes from the Greek peri (around) and meter (measure). The perimeter can be used to calculate the length of fence required to surround a yard or garden.

What is the function rule of the perimeter of a rectangle?

Explanation: The perimeter of a rectangle is equal to 2 times the length l plus 2 times the width w . If we know that l=w+6 , then we can substitute this into the equation and simplify it. P=2w+2l.

How do I find the perimeter and area of a rectangle?

All rectangles are also parallelograms, but not all parallelograms are rectangles. The perimeter P of a rectangle is given by the formula, P=2l+2w , where l is the length and w is the width of the rectangle. The area A of a rectangle is given by the formula, A=lw , where l is the length and w is the width.

How do you draw a rectangle in Java Swing?

To draw a rectangle in Swing you should:

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.

How do you create a shape in Java?

Basically, all you have to do in order to draw shapes in a Java application is:

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.

How do you create a Rectangle box in Java?

How do you create a Rectangle class in Java?

Two member variables width and height , A no-arg constructor that will create the default rectangle with width = 1 and height =1. A parameterized constructor that will create a rectangle with the specified x, y, height and width. A method getArea() that will return the area of the rectangle.

How do you check if two rectangles overlap with each other Javascript?

If you want to check if 2 rotated rectangles collide you have to make projection of one rectangle corner on the axes of the other. If all projections of rectA hit the rectB, and rectB projections hit rectA then the two rectangles collide. Some projection don’t collide here, the 2 rectangles are not collide.

How do you check if bounding boxes overlap?

Two axes aligned boxes (of any dimension) overlap if and only if the projections to all axes overlap. The projection to an axis is simply the coordinate range for that axis. The blue and the green boxes in the image above overlap because their projections to both axes overlap.

How fill rect works Java?

The fillRect() method draws a filled rectangle whose starting point is at (x, y) and whose size is specified by width and height . The fill style is determined by the current fillStyle attribute.

How can we draw a filled rectangle give an example?

Steps

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.

How do you find area and perimeter in Java?

Java Program to Find the Area and Perimeter of Rectangle using…

1. import java.util.Scanner;
2. public class Area_Perimeter.
3. {
4. public static void main(String[] args)
5. {
6. int l, b, perimeter, area;
7. Scanner s = new Scanner(System. in);
8. System. out. print(“Enter length of rectangle:”);

How do you find the breadth of a rectangle if perimeter is given?

If the perimeter and the length of a rectangle are known, the width can be calculated using the formula: Width = P/2 – l, where l = length of the rectangle; and w = width of the rectangle, and P = perimeter of the rectangle.