Update Area and Perimeter.

Area and Perimeter

@@ -1,26 +1,58 @@
+// Java program to create a class to
+// print the area and perimeter of a
+// rectangle
+
 import java.util.*;
-class Question13 
-{
 
-	public static void main(String[] args) {
-	Scanner sc = new Scanner(System.in);	
-
-		System.out.println("Enetr width::");	
-		double width = sc.nextFloat();
-
-		System.out.println("Enetr height::");
-       	double height =  sc.nextFloat();		
-
-        double perimeter = 2*(height + width);
-
-        double area = width * height;			
-
-		System.out.println("Perimeter is:: "+ perimeter);
+// Rectangle Class File
+public class Rectangle {
+
+	// Variable of data type double
+	double length;
+	double width;
+
+	// Area Method to calculate the area of Rectangle
+	void Area()
+	{
+		double area;
+		area = this.length * this.width;
+		System.out.println("Area of rectangle is : "
+						+ area);
+	}
+
+	// Perimeter Method to calculate the Perimeter of
+	// Rectangle
+	void Perimeter()
+	{
+		double perimeter;
+		perimeter = 2 * (this.length + this.width);
+		System.out.println("Perimeter of rectangle is : "
+						+ perimeter);
+	}
+}
+
+class Use_Rectangle {
+
+	public static void main(String args[])
+	{
+		// Object of Rectangle class is created
+		Rectangle rect = new Rectangle();
+
+		// Assigning the value in the length variable of
+		// Rectangle Class
+		rect.length = 15.854;
 
-        System.out.println("Area is:: "+  area);
+		// Assigning the value in the width variable of
+		// Rectangle Class
+		rect.width = 22.65;
 
-
+		System.out.println("Length = " + rect.length);
+		System.out.println("Width = " + rect.width);
 
+		// Calling of Area method of Rectangle Class
+		rect.Area();
 
+		// Calling of Perimeter method of Rectangle Class
+		rect.Perimeter();
 	}
 }

Area and circumference of Circle

@@ -1,17 +1,8 @@
-import java.util.*;
-class Question11{
-
-			public static void main(String[] args) {
-
-		Scanner sc = new Scanner(System.in);
-
-		double pi = 3.14;
-		System.out.println("Enter Radius::");
-		double radius = sc.nextDouble();
-
-
-		System.out.println("Perimeter Is :: "+ 2* pi* radius );
-		System.out.println("Area Is ::"+  pi*radius * radius );
-
-}
-	}
+import math as m
+r=float(input("Enter the radius of the circle:")) #radius of the circle
+#Area of the circle
+a = m.pi* r**2
+#Circumference of the circle
+c = 2 * m.pi * r
+print("The area of the circle with radius {} is: {}".format(a,r))
+print("The circumference of the circle with radius {} is {}".format(c,r))

Calculator

@@ -1,66 +1,118 @@
-import java.util.*;
-class Calculator
-{
-	public static void main(String[] args) {
-		Scanner sc = new Scanner(System.in);
-		float a, b; //a<=50000, b<=50000
-		int choice;
-		System.out.println("Enter two numbers:");
-		a = sc.nextFloat();
-		b = sc.nextFloat();
+#Step1: Importing of the modules
+from tkinter import *
+#Step2: GUI Interection 
+win=Tk()
+win.geometry("500x500")
+#Step3: Adding Inputs
+#entry box
+e=Entry(win,width=56)
+e.place(x=0,y=0)
 
-		if(a<=50000 && b<=50000)
 
+#defining the numeric-functions:
+def click(num):
+    result=e.get()
+    e.delete(0,END)
+    e.insert(0,str(result)+str(num))
+
+#defining the operators:
+def add():
+    n1=e.get()
+    global i
+    global a
+    a="addition"
+    i=int(n1)
+    e.delete(0,END)   
 
-		{
-		System.out.println("Enter you choice");
-		System.out.println("1. Addition");
-		System.out.println("2. Subtraction");
-		System.out.println("3. Multiplication");
-		System.out.println("4. Division");
-		choice = sc.nextInt();
+def sub():
+    n1=e.get()
+    global i
+    global a
+    a="substraction"
+    i=int(n1)
+    e.delete(0,END)
+
+def mul():
+    n1=e.get()
+    global i
+    global a
+    a="multiplication"
+    i=int(n1)
+    e.delete(0,END)
+
+def div():
+    n1=e.get()
+    global i
+    global a
+    a="division"
+    i=int(n1)
+    e.delete(0,END)
+
+def empty():
+   e.delete(0,END)
+   global i
+   i=9
+   e.insert(0,i*0)
 
-		switch(choice)
-		{
-			case 1: 
-			{
-				System.out.print(add(a, b));
-				break;
-			}
-			case 2:
-			{
-				System.out.print(sub(a, b));
-				break;
-			}
-			case 3:
-			{
-				System.out.print(mul(a, b));
-				break;
-			}
-			case 4:
-			{
-				System.out.print(div(a, b));
-				break;
-			}
-		}
-	}
-	System.out.println("\nInputs are not in range of 50000");
-	}
+#difining the equal to function
+def eql():
+    n2=e.get()
+    e.delete(0,END)
+    if a=="addition":
+        e.insert(0,i+int(n2))
+    elif a=="substraction":
+        e.insert(0,i-int(n2))
+    elif a=="multiplication":
+        e.insert(0, i*int(n2))
+    elif a=="division":
+        e.insert(0, i/int(n2))
+    elif a=="noip":
+        e.delete(0,END)
+#Button first row
+b=Button(win,text="7",width=12,command=lambda:click(7))
+b.place(x=10,y=60)
+b=Button(win,text="8",width=12,command=lambda:click(8))
+b.place(x=80,y=60)
+b=Button(win,text="9",width=12,command=lambda:click(9))
+b.place(x=170,y=60)
+b=Button(win,text="*",width=12,activebackground="yellow",command=mul)
+b.place(x=240,y=60)
 
-	static float add(float x, float y)
-	{
-		return x+y; 
-	}
-	static float sub(float x, float y)
-	{
-		return x-y;
-	}
-	static float mul(float x, float y)
-	{
-		return x*y;
-	}
-	static float div(float x, float y)
-	{
-		return x/y;
-	}
-}
+#Button 2nd row
+b=Button(win,text="4",width=12,command=lambda:click(4))
+b.place(x=10,y=90)
+b=Button(win,text="5",width=12,command=lambda:click(5))
+b.place(x=80,y=90)
+b=Button(win,text="6",width=12,command=lambda:click(6))
+b.place(x=160,y=90)
+b=Button(win,text="+",width=12,activebackground="yellow",command=add)
+b.place(x=240,y=90)
+
+#button 3rd row
+b=Button(win,text="1",width=12,command=lambda:click(1))
+b.place(x=10,y=119)
+b=Button(win,text="2",width=12,command=lambda:click(2))
+b.place(x=80,y=119)
+b=Button(win,text="3",width=12,command=lambda:click(3))
+b.place(x=160,y=119)
+b=Button(win,text="-",width=12,activebackground="yellow",command=sub)
+b.place(x=240,y=119)
+
+#Button 4th row
+b=Button(win,text="AC",width=12,activebackground="red",command=empty)
+b.place(x=10,y=149)
+b=Button(win,text="0",width=12,command=lambda:click(0))
+b.place(x=80,y=149)
+b=Button(win,text="/",width=12,command=div)
+b.place(x=160,y=149)
+b=Button(win,text="=",width=12,activebackground="yellow",command=eql)
+b.place(x=240,y=149)
+
+
+
+
+
+
+
+
+win.mainloop()