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What is Methods in java explain with an example? Data types aren't much use unless you can do things along with them. For this reasons classes have techniques. Fields say what
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
Difference between Hash Map and Hash Table? The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and allows nulls. (HashMap allows null values
(Tic-Tac-Toe) Create class TicTacToe that will enable you to write a complete application to play the game of Tic-Tac-Toe. The class contains a private 3-by-3 rectangular array o
Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-cons
Differentiate Local and Global Variables? Local variables are the variables have limited scope although global have bigger scope Local variables are not accessed through others
Object Relational Mapping , its a tool for transaction management that requires to be integrated with Spring, Struts etc.Eg : Hibernate, i Batis,JDO etc
Get info from website using javascript Project Description: I need to extract the text from all the available (red, blue) seats of all the events on this site without getting
Describe the if statement in Java ? All but the most trivial computer programs required to form decisions. They test a condition and operate in a different way based on the out
RMI parameters : Primitive types are given by value. 2. References to remote objects are given as remote references that allow the client process to call methods on the rem
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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