CodPro

Example: Program: import java.util.*; public class Exercise7 {  public static void main(String[] args)  {   long binary1, binary2;   int i = 0, remainder = 0;   int[] sum = new int[20];   Scanner sc = new Scanner(System.in);   System.out.print("Enter first binary number: ");   binary1 = sc.nextLong();   System.out.print("Enter second binary number: ");   binary2 = sc.nextLong();   while (binary1 != 0 || binary2 != 0)    {    sum[i++] = (int)((binary1 % 10 + binary2 % 10 + remainder) % 2);    remainder = (int)((binary1 % 10 + binary2 % 10 + remainder) / 2);    binary1 = binary1 / 10;    binary2 = binary2 / 10;   }   if (remainder != 0) {    sum[i++] = remainder;   }   --i;   System.out.print("Sum of two binary numbers: ");   while (i >= 0) {    System.out.print(sum[i--]);   }    System.out.print("\n");    } } Save as: Exercise.java Output:

import java.util.Scanner; class Exercise6{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); System.out.println("Enter first number"); int num1=sc.nextInt(); System.out.println("Enter Second number"); int num2=sc.nextInt(); System.out.println("Swap of "+num1+" & "+num2); int temp; temp=num1; num1=num2; num2=temp; System.out.println("result\n"+num1+" & "+num2); } } Save as: Exercise6.java Output:

import java.util.*; class Exercise5{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); System.out.println("Enter radius of circle"); double length=sc.nextDouble(); double width=sc.nextDouble(); double area; area=length*width; System.out.println("Area of rectangle = "+area); } } Save as: exercise5.java Output:

import java.util.*; class Exercise4{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); System.out.println("Enter radius of circle"); double radius=sc.nextDouble(); double per,area; per=2*Math.PI*radius; area=Math.PI*radius*radius; System.out.println("Perimeter of circle = "+per); System.out.println("Radius of circle = "+per); } } Save as: Exercise4.java Output:

import java.util.Scanner; class Exercise3{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); System.out.println("Enter first number"); float num1=sc.nextInt(); System.out.println("Enter second number"); float num2=sc.nextInt(); System.out.println("Enter third number"); float num3=sc.nextInt(); System.out.println("Enter fourth number"); float num4=sc.nextInt(); System.out.println("Enter fifth number"); float num5=sc.nextInt(); float average; average=(num1+num2+num3+num4+num5)/5; System.out.println("Average = "+average); } } Save as: Exercise3.java Output: