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Java program to display diamond pattern

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Diamond pattern: Diamond pattern Program Example: import java.util.Scanner; public class Diamond { public static void main(String[] args) { int i,j,k,p,q,r; Scanner sc = new Scanner(System.in); System.out.print("Enter the values: "); int n = sc.nextInt(); int spaces = n-1; for(i=0;i<n;i++) { for(j=0;j<spaces;j++) { System.out.print(" "); } for(k=0;k<=i;k++) { System.out.print("* "); } spaces--; System.out.println(); } spaces = 1; for(p=(n-1);p>0;p--) { for(q=0;q<spaces;q++) { System.out.print(" "); } for(r=0;r<p;r++) { System.out.print("* "); } System.out.println(); spaces++; } } } Output: Enter the values: 7       *      * *     * * *    * * * *   * * * * *  * * * * * * * * * * * * *  * * * * * *   * * * * *    * * * *     * * ...
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Prime Number Program in Java

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Prime Number Program in Java: The prime number is a natural number who value is greater than 1 and can be divisible by 1 and by itself. The number of counts to find the prime numbers is 2 because it can divisible only by 1 and by itself For example: 6 - can be divisible by 1x6,2x3,3x2,6x1. where the count is 4 and it is not a prime number 7 - can be divisible by 1x7,7x1. where the count is 2 and it is a prime number Example 1: Program to check whether the given number is prime number or not import java.util.Scanner; public class Primenumbers { public static void main(String[] args) { int i =2; boolean flag = true; System.out.print("Enter the number to find it is prime or not: "); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if(n<0) { System.out.println("The prime number cannot be negative"); } else { while(i<n) { if(n%i==0) { flag = false; break; } i++;...
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Php : Image uploading and retrieving image from database

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Upload image into the database and retrieve from it See this in video:    Image upload Create the database name as 'image' and just copy this table given below Database CREATE TABLE IF NOT EXISTS `upload` ( `id` int(255) NOT NULL AUTO_INCREMENT, `name` varchar(255) NOT NULL, `image` longblob NOT NULL, PRIMARY KEY (`id`) ) Html: PHP: (upload and display) mysql_connect("localhost","root",""); mysql_select_db("image"); if(isset($_POST["submit"])){ $filename = addslashes($_FILES['img']['name']); $tmpname = addslashes(file_get_contents($_FILES['img']['tmp_name'])); $filetype = addslashes($_FILES['img']['type']); $filesize = addslashes($_FILES['img']['size']); $array = array('jpg','jpeg'); $ext = pathinfo($filename, PATHINFO_EXTENSION); if(!empty($filename)){ if(in_array($ext, $array)){ mysql_query("Insert into ...
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