Added decimal to binary conversion

Decimal to Binary.java

@@ -0,0 +1,19 @@
+#import java.util.*;
+class Decimal_Binary
+{
+  public static void main(String args[])
+  {
+    Scanner sc=new Scanner(System.in);
+    int n,k,s=0,c=0,d;
+    n=sc.nextInt();
+    k=n;
+    while(k!=0)
+    {
+      d=k%2;
+      s=s+d*(int)Math.pow(10,c++);
+      k/=2;
+    }//converting decimal to binary
+    System.out.println("Decimal number:"+n);
+    System.out.println("Binary equivalent:"+s);
+  }
+}