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The problem statement is pretty simple. We need a software implementation of a Point of Sale terminal at a typical store. The users of the system are the cashiers sitting at the sa
Explain about Drawing Lines? Drawing straight lines along with Java is easy. Just call g.drawLine(x1, y1, x2, y2) where (x1, y1) and (x2, y2) are the endpoints of your lines
What interface must an object implement before it can be written to a stream as an object? Ans) An object must execute the Serializable or Externalizable interface before i
I'm seeking to hire someone to build me a program that can solve a php captcha. It should be a web service or script. You will write it in any language since i will execute i ca
The more complicated the underlying system, the more critical the inter communication among everyone involved in deploying and developing the software. UML is a software language f
What do we mean by interfaces ?
Explain Booleans in java? Booleans are named after George Boole, a nineteenth century logician. Every boolean variable has one of two values, true or false. These are not the s
What is best algorithm? Greedy algorithm is the best algorithm as it is n algorithm in which always takes the best immediate, or local solution although searching an answer.
? • ?read from a file a series of an infix algebraic expressions comprised of constant and variable operands (integers), operands (%, *, /, +, -) and parenthesis. Two slashes (//)
Normal 0 false false false EN-US X-NONE X-NONE
package test.padovanstring;public class PadovanString {public int stringOccurrences(int n, String str){if(n >= 40)return -1;if(str.replaceAll("X|Y|Z","").length()>0)return -1;String res=pad(n);return(res.length() - res.replaceAll(str,"").length())/(str.length());}public String pad(int n){if(n == 0) return "X";if(n == 1) return "Y";if(n == 2) return "Z";else return pad(n-2) + pad(n-3);}public static void main(String []args){PadovanString p = new PadovanString();System.out.println(p.stringOccurrences(21,"YZ"));}}
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