add my java program

CONTRIBUTORS.md

@@ -419,6 +419,11 @@ Github: [Vanshika goel](https://github.com/Vanshikagoel0012)
 - Bio: B.Tech Computer Science Engineer
 - GitHub: [Astha Maheshwari](https://github.com/astha-06)
 
+#### Name: Danushan Ravendran
+- Place: colombo, srilanka
+- Bio: Student (Computer Science)
+- GitHub: [danushan99](https://github.com/Danushan99)
+
 
 
 

Hacktoberfest2021-2.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/scripts" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

out/production/Hacktoberfest2021-2/CheckPythogorianTriplets_Developer-R-7.cpp

@@ -0,0 +1,41 @@
+#include<iostream>
+#include<cmath>
+using namespace std;
+bool check(int x, int y ,int z){
+    int a = max(x,max(y,z));
+    int b,c;
+
+    if (a == x){
+        b = y;
+        c = z;
+    }
+    else if (a == y){
+        b = x;
+        c = z;
+    }
+    else if (a == z){
+        b = x;
+        c = y;
+    }
+
+    if (a*a == b*b + c*c){
+        return true;
+    }
+    return false;
+
+
+
+
+}
+int main(){
+    int x,y,z;
+    cout << "Enter 3 space separted integer values\n";
+    cin >> x >> y >> z;
+    if (check(x,y,z)){
+        cout << "\nThis 3 numbers are Pythogorian Triplet";
+    }
+    else{
+        cout << "\nThis 3 numbers are not a Pythogorian Triplet";
+    }
+
+}

out/production/Hacktoberfest2021-2/DecimalToBinary.cpp

@@ -0,0 +1,14 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+
+    int n;
+    cin >> n;
+    while (n > 0){
+        cout << n%2;
+        n = n/2;
+    }
+
+    return 0;
+}

out/production/Hacktoberfest2021-2/FIBONACCI SERIES

@@ -0,0 +1,15 @@
+class Fibonacci{  
+public static void main(String args[])  
+{    
+ int n1=0,n2=1,n3,i,count=10;    
+ System.out.print(n1+" "+n2);//printing 0 and 1    
+
+ for(i=2;i<count;++i)//loop starts from 2 because 0 and 1 are already printed    
+ {    
+  n3=n1+n2;    
+  System.out.print(" "+n3);    
+  n1=n2;    
+  n2=n3;    
+ }    
+
+}}  

out/production/Hacktoberfest2021-2/Hello-World-Gagan-Saha.py

@@ -0,0 +1 @@
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello-World-Sukanti-Patel.py

@@ -0,0 +1 @@
+print("Hello World")

out/production/Hacktoberfest2021-2/HelloWorld_BrAwLeR001.cpp

@@ -0,0 +1,7 @@
+#include<iostream>
+using namespace std;
+
+int main()
+{
+  cout<<"HELLO WORLD"<<<endl;
+}

out/production/Hacktoberfest2021-2/HelloWorldbyMunish.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_Earth_Frosty-Thunderer.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello Earth")

out/production/Hacktoberfest2021-2/Hello_World.py

@@ -0,0 +1,3 @@
+# This program prints Hello, world!
+
+print('Hello, world! This is using Python')

out/production/Hacktoberfest2021-2/Hello_World_ANkurNagila.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Anish-Kumar-Sinha.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Astha_maheshwari.py

@@ -0,0 +1,4 @@
+import sys
+
+print("Hello World")
+print("Hey, I am Astha and I'm contributing to open sourse projects for the first time")

out/production/Hacktoberfest2021-2/Hello_World_Atul-Sinha.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello Earth")

out/production/Hacktoberfest2021-2/Hello_World_Christy538.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main() 
+{
+   printf("Hello, World!");
+   return 0;
+}

out/production/Hacktoberfest2021-2/Hello_World_Dev_Patel.py

@@ -0,0 +1 @@
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Devulapallisai.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Jayant_Goel.cpp

@@ -0,0 +1,5 @@
+#include<iostream>
+using namespace std;
+int main(){
+  cout<<"Hello World";
+}

out/production/Hacktoberfest2021-2/Hello_World_Manvi-Singhal.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Nihal-Priyadarshi.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Ram_Patel.py

@@ -0,0 +1 @@
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_Subho-codegeek.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_VJ.py

@@ -0,0 +1,10 @@
+# This program adds two numbers
+
+num1 = 1.5
+num2 = 6.3
+
+# Add two numbers
+sum = num1 + num2
+
+# Display the sum
+print('The sum of {0} and {1} is {2}'.format(num1, num2, sum))

out/production/Hacktoberfest2021-2/Hello_World_Yuvraj.py

@@ -0,0 +1,3 @@
+import sys
+
+print("Hello World\nI am Yuvraj and trying to learn python these days.")

out/production/Hacktoberfest2021-2/Hello_World_kamalrt11.cpp

@@ -0,0 +1,6 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+  cout<<"Hello World"<<endl;
+}

out/production/Hacktoberfest2021-2/Hello_World_mauryahimanshu.cpp

@@ -0,0 +1,7 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+    cout<<"Hello World\n";
+    return 0;
+}

out/production/Hacktoberfest2021-2/Hello_World_rachelktyjohnson.php

@@ -0,0 +1 @@
+ <?php echo '<p>Hello World</p>'; ?> 

out/production/Hacktoberfest2021-2/Hello_World_suburban-daredevil.py

@@ -0,0 +1,5 @@
+# function to print Hello World
+def greet():
+    print('Hello World')
+
+greet()

out/production/Hacktoberfest2021-2/Hello_World_tanya-0708.py

@@ -0,0 +1 @@
+print("Hello World")

out/production/Hacktoberfest2021-2/Hello_World_web-codegrammer.js

@@ -0,0 +1,17 @@
+<!DOCTYPE HTML>
+<html>
+
+<body>
+
+  <p>Before the script...</p>
+
+<script>
+// using document.write
+document.write('Hello World');
+</script>
+
+  <p>...After the script.</p>
+
+</body>
+
+</html>

out/production/Hacktoberfest2021-2/Hello_World_yashjain-99

@@ -0,0 +1,5 @@
+import sys
+class helloworld():
+    def __init__(self):
+        print('Hello World')
+helloworld()

out/production/Hacktoberfest2021-2/Hello_world.cpp

@@ -0,0 +1,10 @@
+#include <iostream>
+
+using namespace std;
+
+
+int main()
+{
+	cout << "Hello world!" << endl;
+
+};

out/production/Hacktoberfest2021-2/Hello_world_keinisha.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main()
+{
+    printf("Hello World");
+
+    return 0;
+}

out/production/Hacktoberfest2021-2/Hello_world_ritesh.cpp

@@ -0,0 +1,7 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+  cout<<"Hello World"<<endl;
+  return 0;
+}

out/production/Hacktoberfest2021-2/IsArmstrongNumber.cpp

@@ -0,0 +1,23 @@
+#include<iostream>
+using namespace std;
+#include<cmath>
+
+int main(){
+
+    int n ;
+    cin>>n;
+    int org = n ;
+    int sum=0;
+    while (n > 0){
+        int lastdigit = n%10;
+        sum+=pow(lastdigit,3);
+        n = n/10;
+    }
+    cout<< sum;
+    cout<< org;
+    if (org==sum){
+        cout << "Armstrong Number!!"<<endl;
+    }
+
+
+}

out/production/Hacktoberfest2021-2/Join2AJ_Video_to_Audio_Conversation.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# # Video to Audio (wav) Conversation
+
+# ### It is very difficult for many of the individuals, those who wants to listen and don't want to watch video's. They might be UPSC aspirants who want to do multitasking or news listners or you !!!
+# 
+# #### This code allows users to input video file and related audio file will be generated on the basis of given input file
+
+# ### Importing dependencies
+
+# In[ ]:
+
+
+get_ipython().run_line_magic('matplotlib', 'inline')
+import moviepy.editor as mp
+import IPython.display as ipd
+import librosa, librosa.display
+
+
+# ### File Conversation
+
+# In[7]:
+
+
+# Enter video path & store in clip variable
+clip = mp.VideoFileClip(r"videorec.mp4")
+
+# creating new wav-audio file and saving in same directory
+clip.audio.write_audiofile(r"converted.wav")
+
+
+# In[17]:
+
+
+# Displaying UI Tool for playing Video to Audio converted file
+x, sr = librosa.load('converted.wav')
+ipd.Audio(x, rate=sr)
+
+
+# ### End