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Question A What are the difference between an interface and an abstract class? Question B Describe Exception Handling in JAVA Question C Describe the following with resp
Explain Choosing Font Faces and Sizes in java AWT packages? Choosing a font face is simple. First you create a new Font object. Then you call g.setFont(Font f). To instantiate
Write a Java program called SalesInfoMiner that reads in a file of products, stored in text format (2 lines per entry). The program must then read in information about past sales t
what is mearnt by a variable in java
Read information of n students. The class name should be kkhsou with the member variable name, rollno, center_code and percentage in last examestion.Display the students data whose
J2EE (Java 2 Enterprise Edition) is an environment for deploying and developing enterprise applications on various operating system. The J2EE platform consists of J2EE components,
Create a thread in either a C or a Java program and run it. The thread should read a keyboard value "x" and exit from the code, or it can also use an "ESC" to exit. That is, the t
Explain the term Event Handler? An event handler is a command that calls a function while an event happens, like as the user clicking a button.
Padovan String
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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