Aatul Palandurkar

Archive for the ‘Free Source Code’ Category

Objectives:

  • Write a Java program to to generate random numbers and print the same
  • Write a program to generate random numbers
  • Write a program to generate random numbers in Java

Java Program:


import java.util.Scanner;
import java.util.Random;

class GenerateRandomNumber
{
public static void main(String[] args)
{
int maxRange;

//create objects
Scanner SC = new Scanner(System.in);
Random rand = new Random();

System.out.print("Please enter maximum range: ");
maxRange=SC.nextInt();

for(int i=1; i<=10; i++)
{
System.out.println(rand.nextInt(maxRange));
}
}
}

Output:

Please enter maximum range: 500
467
61
100
449
68
316
445
224
54
498

Objectives:

  • Write a Java program to find duplicate characters in the string and print the duplicate characters
  • Write a program to find duplicate characters in String

Java Program:

public class DuplicateCharacters {
    public static void main(String args[]) {

        String str = "NITIN";
        int count = 0;

        char input[] = str.toCharArray();
        System.out.println("Duplicate Characters are:");

        for (int i = 0; i &amp;lt; str.length(); i++) {
            for (int j = i + 1; j &amp;lt; str.length(); j++) {
                if (input[i] == input [j]) {
                    System.out.println(input[j]);
                    count++;
                    break;
                }
           }
        }
    }
}

Output:

Duplicate Characters are: N I

Objectives:

  • How to use switch case in Java?
  • How to use switch case with string in Java?
  • How to pass string literals in switch case in Java?

 

Source Code:


public class SwitchWithStringExample

{
public static void main(String[] args)
{
String str = "two";
switch(str)
{
case "one":
System.out.println("one");
break;
case "two":
System.out.println("two");
break;
case "three":
System.out.println("three");
break;
default:
System.out.println("no match");
} // switch close
} // main close
} // class close

 

Steps to run above Java code:

Consider that we have saved code at C drive (c:\>) and the file is saved as SwitchWithStringExample.java

  1. Compilation : c:\> javac SwitchWithStringExample.java
  2. Interpretation : c:\> java SwitchWithStringExample

 

Output:

two

 

We conduct Java Training and Workshop for Corporates and College Students, if interested, please write to us on kloudsancyber@gmail.com

 

Aatul Palandurkar
International Trainer, and Author, NetBeans Dream Team Member

https://www.facebook.com/aatulpalandurkar
https://www.instagram.com/aatulpalandurkar/

Objective:

  • How to use For Each in Java?
  • How to use advance for in Java?
  • How to use advance for loop in Java Programming Language?
  • Types of For loop in Java

 

Source Code:


class ForEachExample
{
public static void main(String args[])
{
//declaring an array
int a[]={1,2,3,4,5,6};

// Old way
System.out.println("Old way");
for(int i=0; i<a.length;i++)
{
System.out.println(a[i]);
}

//New way: for-each loop
System.out.println("For each");
for(int i:a)
{
System.out.println(i);
}
}
}

Objectives:

  • How to find the area of a circle in Python?
  • How to find the circumference of a circle in Python?
  • How to find the area and circumference of a circle in Python?

Python Code:


print("Enter radius of circle")
rad = input()
r=float(rad)
area = 3.14 * r * r
circumference = 2 * 3.14 * r
print(area)
print(round(circumference, 2))

Steps to Run the above code:

  • Navigate to the folder/directory where you have saved your python code or file.
  • Here I have considered that python file is saved on “c:\>” and the File name is “Circle.py
  • Just type the following command now to execute the Python program: c:\> python Circle.py

 

Download code:

  • Navigate to GitHub repository and download the code from here: Circle.py

 

We conduct Python Training and Workshop for Corporates and College Students, if interested, please write to us on kloudsancyber@gmail.com

 

Aatul Palandurkar
Life Coach, International Trainer, and Author

https://www.facebook.com/aatulpalandurkar
https://www.instagram.com/aatulpalandurkar/


Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 13,217 other followers

Tweets

YouTube

Archives

%d bloggers like this: