94 Best Java Questions and Answers (Q&A) - ProProfs Discuss

What is the difference between SDK and JDK?

Bergeront Tiffney, Computer Engineer
Answered: Oct 26, 2020

SDK is an acronym for the Software Development Kit, which acts as a development kit, while JDK is an acronym for Java Development Kit. SDK is used for the creation of an application for certain...Read More

2 Answers

72 views

What is the difference between Abstract Class and Interface?

Juul , Teacher
Answered: Apr 13, 2020

There are different things about abstract class and interface that you should know. First of all, when you are using abstract class, you know that there are possible implementations that can be...Read More

2 Answers

71 views

What is the difference between JPanel and JFrame?

Denton Perez, Professor
Answered: Jul 22, 2020

JPanel and JFrame are classes in the Java Programming Language. They both display the appearance of windows, but they are utilized for different purposes. JPanel serves as a general-purpose...Read More

1 Answer

69 views

What is the difference between JDK and JRE?

O. Bickis, Corporate employee
Answered: Oct 14, 2020

JDK or Java Runtime Environment and JRE or Java Development Kit are two software packages used to aid certain functionalities of Java applications. When you understand what the two software...Read More

3 Answers

63 views

What is the difference between MVC1 and MVC2?

T. Moore, Writer
Answered: May 29, 2020

MVC is basically a design pattern that can be further classified into two main models, the MVC Model 1 and also the MVC Model 2. They are also known as MVC1 and MVC2, of which they are both Java...Read More

1 Answer

63 views

What is the difference between JDK 1.5 and JDK 1.6?

O.Olivia
Answered: Mar 05, 2020

JDK 1.5 and JDK 1.6 are different Java versions that are available. JDK 1.5 is also known as a program that was released back in the year 2004. JDK is very effective in offering support to...Read More

1 Answer

60 views

What is a timestamp in JavaScript?

Anika Nicole, Wordsmith
Answered: Aug 02, 2020

JavaScript is used in web development; they serve totally different purposes and tasks. Even in some cases, PHP and JavaScript work together to achieve a common goal. When both languages deal...Read More

1 Answer

58 views

What is the difference between Inheritance and Polymorphism?

J. Rogers, Rosshazlewood
Answered: Jul 16, 2020

Polymorphism is a phenomenon that includes the presence of the more distinctive phenotypes or morphs inside one species. Humans have three distinctly different phenotypes and morphs inside one...Read More

2 Answers

53 views

What is the difference between Java and .NET?

K. Shadrach
Answered: Jun 25, 2020

There are some people who may become confused with java and .net. What people do not realize is that Java will have the ability to work on different operating systems. This means that no matter...Read More

1 Answer

48 views

What is the difference between Abstract Class and Interface in Java?

Peyton Berrymore, Artist
Answered: Apr 13, 2020

An interface is a myriad of abstract methods used to define a behavior that the class has to achieve. Unlike abstract class, an interface offers full abstraction in Java. An abstract class...Read More

1 Answer

45 views

What is the difference between Checked and Unchecked Exception?

E.Evelyn
Answered: Mar 03, 2020

The fundamental difference between checked and unchecked exceptions is that the compiler checks checked exceptions. On the other hand, the compiler does not check unchecked exceptions. Another...Read More

1 Answer

40 views

What is the difference between HashMap and LinkedHashMap?

Peyton Berrymore, Artist
Answered: Apr 13, 2020

The main difference between HashMap and Linked HashMap is the order. HashMap is more random and lacking sensible order, while LinkedHashMap is in key insertion order, which is the order that the...Read More

1 Answer

38 views

What is the difference between Overloading and Overriding in JAVA?

O.Olivia
Answered: Feb 27, 2020

There are many features that are very important in most programming languages, overriding and overloading are just two examples of those features. In Java, when a method has been defined in a parent...Read More

2 Answers

32 views

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