Q&A Discussions

How is a person supposed to keep all the specific exceptions straight?

4th Feb 2016, 2:11 PM

Syed Ruman

exceptions java

1 Vote

What is use of math.random() ?

2nd Feb 2016, 9:53 PM

Elizabeth Lewis

java math

1 Vote

1st Feb 2016, 2:27 PM

Nilesh Solanki

Who is inventor of java?

0 Votes

Why is it List<integer> list = new ArrayList();? shouldnt the first one be ArrayList instead of List?

30th Jan 2016, 6:54 AM

Aayush Gupta

java lists

0 Votes

Why is there a semicolon and the braces after " Machine m1 = new Machine()" ?

28th Jan 2016, 10:19 PM

Branko Nešić

anonymous-classes java

0 Votes

What does '+=' sign mean?

27th Jan 2016, 3:04 PM

Dalia Ahmed

What do .jar extension refer?

4 Votes

8 Answers

26th Jan 2016, 10:41 PM

Miki

0 Votes

Is SQL a language like java or c?

25th Jan 2016, 9:50 AM

brinth khanna

sql

0 Votes

What is diff between java and c++?

23rd Jan 2016, 11:23 AM

Ankit S.Mahindre

c++java

0 Votes

What is a double attribute?

23rd Jan 2016, 4:38 AM

Akash

classes java

0 Votes

Any particular reason why you wouldn't just keep everything public?

23rd Jan 2016, 4:28 AM

Christopher Struble

access-modifiers java

1 Vote

22nd Jan 2016, 10:38 PM

Hamza

How to detect the OS?

0 Votes

Why should i type public before constructor? can i create a constructor without public?

17th Jan 2016, 8:00 PM

Gustavo Peralta Vazquez

constructors java

0 Votes

Does 'Exception e' declare an object 'e' of type Exception as a parameter, or is it syntax simply meaning 'all exceptions'?

14th Jan 2016, 12:04 PM

JulietLove

exceptions java

2 Votes

7 Answers

12th Jan 2016, 10:43 PM

Alex Greidinger

Difference between class & interface?

interfaces java

2 Votes

Can i use a string in switch?

12th Jan 2016, 6:26 PM

Abdul Rauf

java switch

0 Votes

Whats the point if you need to override all the methods insde the interface ?

11th Jan 2016, 11:34 AM

Ben Wong

interfaces java

1 Vote

Can anyone tell me difference between Encapsulation and Abstraction?

9th Jan 2016, 3:23 AM

Kanon

abstraction encapsulation java

1 Vote

8 Answers

8th Jan 2016, 4:33 PM

Digambar Bhujabal

What is the difference between HashMap and HashSet?

hashmap java

0 Votes

Seems like math class doesn't exist in my eclipse version in library. It asks me to create method pow when I try to check Double a = Math.pow(2,3); Any ideas?

5th Jan 2016, 4:21 PM

Sindhu Manivannan

java math

1 Vote

can we create constructor in abstract class?

5th Jan 2016, 2:39 PM

Eugene Lukianov

abstract-classes java

1 Vote

When we declare a class as final does it mean that we cannot create its subclasses or it cannot be the subclass of another class?

2nd Jan 2016, 4:50 PM

Amer Saoud

final java

0 Votes

In most of the place i hv seen that the array format is like: int arr [5]; but here you r preferring to use int [5] arr; format. Is it really standard ?

2nd Jan 2016, 12:13 PM

Shubham Jain

arrays java

0 Votes

What's the extact difference between scanner and bufferreader...which we need to use?

2nd Jan 2016, 6:01 AM

Khandaker Maria Shabnam

files java

0 Votes

Is oop same as. calling different functions?

1st Jan 2016, 12:21 AM

jagadeesh nalla

classes java objects

1 Vote

can someone correct me? .. there's error which says '{' expected ... iam kinda bewildered and yeah here's my work ...

31st Dec 2015, 3:25 PM

bharath

0 Votes

Best examples of the uses for java? Not what's it in. But what would the programs that you write in java do that is actually useful in the real world?

30th Dec 2015, 5:33 AM

Kama

0 Votes

Can we say that methods are like functions..?

29th Dec 2015, 11:16 PM

armand nathan

functions java methods

0 Votes

5 Answers

29th Dec 2015, 4:23 PM

preet singh

Can anyone tell me the difference between java script,jQuery and java?

java javascript jquery

3 Votes

What is difference between ++x and x++ ?

27th Dec 2015, 4:15 PM

jawad Ali Shah

How inner classes are helpful..?

0 Votes

9 Answers

25th Dec 2015, 3:14 PM

Jagdeep Singh

inner-classes java

2 Votes

Dose someone tell me about full deta for Java script to thinking it? What's java & how does he work in Android?

25th Dec 2015, 1:59 PM

Ankush Kumar

4 Votes

23rd Dec 2015, 8:04 AM

Khawar Qayyum

What is a hash code?

java sets

0 Votes

15th Dec 2015, 9:25 PM

Lyssette Delgado

What is void?

How can u define constructor to real world scenario?

1 Vote

9 Answers

6th Dec 2015, 1:20 AM

JenqAu

constructors java

1 Vote

Does java supports comments before a code?

3rd Dec 2015, 8:35 PM

Devi Gandham

comments java

3 Votes

14 Answers

1st Dec 2015, 9:54 PM

Vempalli Gowtham theja

What is the difference between the HashMap and the array?

arrays java

0 Votes

What are the platforms on which java can run?

29th Nov 2015, 1:31 PM

danielle

0 Votes

Is there an exclusive OR (XOR) in Java? Where it's one or the other but not both?

24th Nov 2015, 3:58 AM

Akhil k

0 Votes

Can someone explane to me how % works?

22nd Nov 2015, 7:53 PM

Trevor Holmbeck

0 Votes

Do I need to create the math class before using it?

22nd Nov 2015, 6:24 AM

Michael5iLVEr

java math

0 Votes

How many catch blocks can a try/catch block contain?

21st Oct 2015, 8:56 AM

Simon Ho

exceptions java

0 Votes

5 Answers

12th Oct 2015, 11:35 AM

Mohammad Salman Azam

I finished HTML, but I would rather learn Java over HTML5. Could I do that?

html html5 java

-1 Vote

I need to know why we need to set the environment path?

27th Sep 2015, 6:39 PM

wolfiefilms

java jdk

0 Votes

7 Answers

26th Sep 2015, 1:34 AM

Anup Jaguri

java is platform independent. means?

0 Votes

What is the difference between system.out.println() and system.out.print() ?

22nd Sep 2015, 5:36 AM

Shrisha Yadiyala

java methods output

0 Votes

I want to know why make classes? if you can simply make methods in the main class?

7th Sep 2015, 9:38 PM

Archi

classes java

0 Votes