class another { public void method(Object o) { System.out.println("This is in method which takes object"); } public void method(String s) { System.out.println("This is method which takes string"); } } public class NewClass { public static void main(String args[]) { another an = new another(); ...
I want to do SCJP certification and dont want to join coaching for that,so need suggestion on Without joining coaching how to prepare for SCJP??? ...
Hello all, I am currently studying for the SCJP certification using the Sierra and Bates Study Guide and in many of the self tests (mock exam questions) I keep running into the same problem - I can't tell whether a particular error will be at runtime (an exception) or at compile (compile error). I know this is a bit of a vague question ...
class Top{ public Top(String s){System.out.print("B");} } public class Bottom2 extends Top{ public Bottom2(String s){System.out.print("D");} public static void main(String args[]){ new Bottom2("C"); System.out.println(" "); } } In the above program, I guessed the output must be BD, but in the book they said the...
class Building{ Building(){ System.out.print("b "); } Building(String name){ this(); System.out.print("bn "+name); } } public class House extends Building{ House(){ System.out.print("h "); } House(String name){ this(); System.out.print("hn "+name); } publ...
From MasterExam: Which statements are true? (Choose all that apply) A. is-a relationship always rely on inheritance B. is-a relationship always rely on instance variables C. is-a relationship always require at least two class types D. is-a relationship always rely on polymorphism E. is-a relationship are always...
Hi, I would like to know the reason why this is first allowed in Java (or oops in general) I remember that the static methods are common for both parent and child class public class Redefine extends Parent{ public static void test () { } } class Parent{ public static void test () { } } Q1 : Since Overriding is ...
hi everyone ... I wanna know study what to get which certificate in Java .. I need a map of Java certificates , i know that there are SCJP and others but i don't know what it require one to know in order to pass its exam ... thanks ...
Hi, I am running into a question about equals and hashCode contracts: here it is Given: class SortOf { String name; int bal; String code; short rate; public int hashCode() { return (code.length() * bal); } public boolean equals(Object o) { // insert code here } } Which of the following will fulfi...
Possible Duplicate: Is an SCJP certificate worthwhile? Apart from getting an in-depth knowledge of Java, How does SCJP help while applying for a job? How much of an impact does it carry? ...
Except SCJP / SCWCD / SCEA for the Java are there any other related certifications a developer "should look" for. Is it something similar for python ? C ? C++ ? SQL ? PS: I know that some programmers affirm that certifications are useless and experience is what's important, but I strongly disagree. Learning for SCJP was great. I found ...
Hello everyone: As I am preparing for, and planning to take the SCJP exam probably in next year, I am wondering if any Java programmer would like to share their "gotcha" question here, something simple but very helpful as a reminder to refresh your Java knowledge and skills. For example, my favourite one is like this: System.out.print...
hi every all i already completed scjp 1.5 exam. how many years it's validity? ...
OK, noob question. I'm studying for the SCJP and got 3 questions on object reference casting wrong which all seem to point to the same misunderstanding. Just wanted to confirm what the right insight should be. Right, here are the questions: 1. 1. class CodeWalkFour { 2. public static void main(String[] args){ 3. Car c = ne...
Hi, I am interested to write SCJP 1.6.0 certification exam.What are the materials I need to go through.Please provide some useful links and books.Is there any difference in the exam pattern after ORACLE merger? Thx ...
I'm studying for the SCJP exam and I ran into an issue I can't really wrap my head around. The book says you can't widen and then box, but you can box and then widen. The example for not being able to box is a method expecting a Long and the method being invoked with a byte. Their explanation is: Think about it…if it tried to box ...
I am going to appear for scjp1.6 in the mid november. Please tell me which book should i refer? Which part should i give more weigthage? How much time shoud i spend on each topic? My friends are also going to write. I will share the tips with them. We would be grateful if any of you help us. ...
I am preparing for SCJP 6 exam and I needed advice on the usefulness of reading the Java language specification. As the exam has to do with ones expertise in java code analysis. I am already reading SCJP A comprehensive by Khalid Mughal. ...