Write a java program to create a A Web crawler searches the Internet for finding web pages associated with index terms. The crawler needs to know whether or not a page has been already visited. Design an algorithm and a data structure that keeps track of this.

In java and UML diagram, Please show output and comment code out Source file: Each public class must be contained in a separate Java source file. Only one source file will have a main() method and this source will be named BlackjackGameSimulator.java. Other source/class names are up to you following the guidelines specified so far in the course. The format of the Java source must meet the general Java coding style guidelines discussed so far during the course. Pay special attention to naming guidelines, use of appropriate variable names and types, variable scope (public, private, protected, etc.), indentation, and comments. Classes and methods should be commented with JavaDoc-style comments (see below). Please use course office hours or contact the instructor directly if there are any coding style questions. JavaDocs: Sources should be commented using JavaDoc-style comments for classes and methods. Each class should have a short comment on what it represents and use the @author...

JAVA programming language

Make a Java electronic voting program. There should be 4 total parties(people you can vote for) use object-oriented code and output your final result to a text file. Some things to consider: Well implemented variables, data structures, well-running code

Write a java code using object-oriented concepts such as Encapsulation, Inheritance... Binary number to decimal Decimal To binary Decimal To HexaDecimal hexaDecimal To Decimal And That Can add, multiply, subtract, and divide binary numbers by using the user's input.