 Related Questions 1.what is meant by inheritance,single inhertiance,multiple inheritance?2.define abstract class & abstract method?3.how to developed and delopying a SERVELT,JSP program in the TOMCAT APACHE SERVER,WEBLOGIC Latest Answer : Java supports single inheritance like C++, but does not supports multiple inheritance because of diamond problem. ... Read Answers (20) | Asked by : sivakumar In Distributable environment,what happens if our component throws an exception(may be checked/unchecked) to others who r using our component. we must handle here itself or let it leave to others to handle? plz. reply soon Read Answers (6) | Asked by : ravi Latest Answer : Struts created internal objects are simple class objects so does not support the all the features provided by ejb container such as transaction managment,persistancy,Security features ,Connection pooling etc. ... Read Answers (1) | Asked by : sanjay sharma I need to build a 4-Tier System, where I have a presentation-Tier, a Business-Tier, a Data-Tier and a 4th tier compose by remote machines. What is the best JAVA solution, between all the JSP, Servlet's, EJB, etc. ? Read Answers (2) | Asked by : João Neto Latest Answer : Not true, the class can be accessed by an outer-class. ... Read Answers (9) | Asked by : suresh Latest Answer : no we cant declare class as protected ... Read Answers (35) | Asked by : suresh Latest Answer : OBJECTS SIT ON HEAPPRIMITIVES (LIKE INT, DOUBLE ETC) SIT ON STACKSTACK IS FASTER THAN HEAP.OBJECTS ARE PASSED BY REFERENCE. PRIMITIVES ARE PASSED BY VALUE.OBJECTS ARE GARBAGE COLLECTED. PRIMITIVES ARE CLEARED FROM THE STACK BY MOVING THE STACK ... 1. Some websites will have hierarchical display of items. (For eg, on click of a ‘+’ symbol, all items under this item gets listed.). How do you store such structure in database (Note: You can store as XML object. But how do you store in database tables without using XML) ?2. explain 3GL ? Read Answers (3) | Asked by : ronin Suppose there are 2500 records to be handled? How Data Access Object (DAO) class will handle it? Latest Answer : DAO is one of design patterns. The Data Access Object (or DAO) pattern: 1. Separates a data resource's client interface from its data access mechanisms, 2. adapts a specific data resource's access API to a generic client interface. The ... Read Answers (2) | Asked by : Anoop ca fe ba besteps:when u open any .class file.u can see first 4 characters.u have read those characters from the class file and convert those characters into Hexadecimal using toHexString method in Integer Latest Answer : A reserved word, sometimes called a magic word is a word which, in some computer programming language cannot be used as an identifier because it is already used for some grammatical purpose. For instance, in SQL a user cannot be called 'group' because ... Read Answers (3) | Asked by : tirupathaiah
Sponsored Links
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
