Tutorial Playlist
191 Lessons1. Introduction to Java
2. What is Java?
3. History of Java
4. Java Tutorial for Beginners
5. How Do Java Programs Work?
6. JDK in Java
7. C++ Vs Java
Now Reading
8. Java vs. Python
9. Java vs. JavaScript
10. From Java Source Code to Executable
11. How to Install Java in Linux
12. How to Install Java in Windows 10
13. Java Hello World Program
14. Structure of Java Program and Java Syntax
15. Operators in Java
16. Java If-else
17. Switch Case In Java
18. Loops in Java
19. Infinite loop in Java
20. For Loop in Java
21. For Each Loop in Java
22. Constructor in Java
23. Constructor Overloading in Java
24. Copy Constructor in Java
25. Default Constructor in Java
26. Parameterized Constructors in Java
27. Constructor Chaining In Java
28. Finalize Method in Java
29. Static Method in Java
30. Equals Method in Java
31. Abstract Method in Java
32. toString() Method in Java
33. Difference between equals method in Java
34. Inheritance in Java
35. Multiple Inheritance in Java
36. Hierarchical Inheritance in Java
37. Java Classes and Objects
38. Scanner Class in java
39. All classes in java are inherited from which class
40. What is Nested Class in Java
41. POJO Class in Java
42. Anonymous Class in Java
43. Final Class in Java
44. Object Class in Java
45. Packages in Java
46. Access Modifiers in Java
47. Static Keyword In Java
48. Final Keyword in Java
49. Checked and Unchecked Exceptions in Java
50. User Defined Exception in Java
51. Error vs. Exception in Java
52. Java Collection
53. Collections in Java
54. Garbage Collection in Java
55. Generics In Java
56. Java Interfaces
57. Functional Interface in Java
58. Marker Interface in Java
59. Streams in Java
60. Byte stream in java
61. File Handling in Java
62. Thread in Java
63. Thread Lifecycle In Java
64. Daemon Thread in Java
65. Thread Priority in Java
66. Deadlock in Java
67. String Pool in Java
68. Java Database Connectivity(JDBC)
69. Design Patterns in Java
70. Functional Programming in Java
71. OOP vs Functional vs Procedural
72. Heap Memory and Stack Memory in Java
73. Applet in Java
74. Java Swing
75. Java Frameworks
76. Hibernate Framework
77. JUnit Testing
78. How to Install Eclipse IDE for Java?
79. Command line arguments in Java
80. Jar file in Java
81. Java Clean Code
82. OOPs Concepts in Java
83. Java OOPs Concepts
84. Overloading vs Overriding in Java
85. Java 8 features
86. String in Java
87. String to int in Java
88. Why String Is Immutable in Java?
89. Primitive Data Types in Java
90. Non-Primitive Data Types in Java
91. This and Super Keyword in Java
92. HashMap in Java
93. Comparable And Comparator in Java
94. Type Casting in Java
95. Arrays Sort in Java with Examples
96. Variable Hiding and Variable Shadowing in Java
97. Enum in Java
98. Substring in Java
99. Pattern Programs in Java
100. Hashcode in Java
101. What is ByteCode in Java?
102. How To Take Input From User in Java
103. GCD of Two Numbers in Java
104. Linked List in Java
105. Arithmetic Operators in Java
106. Conditional Operators in Java
107. Stack and Queue in Java
108. Array Length in Java
109. Number Pattern Program in Java
110. Split in java
111. Map In Java
112. Difference Between Throw and Throws in Java
113. Difference Between Data Hiding and Abstraction
114. HashSet in Java
115. String Length in Java
116. Factorial Using Recursion in Java
117. DateFormat in Java
118. StringBuilder Class in java
119. Instance variables in Java
120. Java List Size
121. Java APIs
122. Reverse an Array in Java
123. StringBuffer and StringBuilder Difference in Java
124. Java Program to Add Two Numbers
125. String to Array in Java
126. Regular Expressions in Java
127. Identifiers in Java
128. Data Structures in Java
129. Set in Java
130. Pass By Value and Call By Reference in Java
131. Try Catch in Java
132. Bubble Sort in Java
133. Caesar Cipher Program in Java
134. Queue in Java
135. Object Creation in Java
136. Multidimensional Array in Java
137. How to Read a File in Java
138. String Comparison in Java
139. Volatile Keyword in Java
140. Control Statements in Java
141. Jagged Array in Java
142. Two-Dimensional Array in Java
143. Java String Format
144. Replace in Java
145. charAt() in Java
146. CompareTo in Java
147. Matrix Multiplication in Java
148. Static Variable in Java
149. Event Handling in Java
150. parseInt in Java
151. Java ArrayList forEach
152. Abstraction in Java
153. String Input in Java
154. Logical Operators in Java
155. instanceof in Java
156. Math Floor in Java
157. Selection Sort Java
158. int to char in Java
159. Stringtokenizer in java
160. Implementing and Manipulating Abs in Java
161. Char array to string in java
162. Convert Double To String In Java
163. Deque in Java
164. Converting a List to an Array in Java
165. The Max function in java
166. Removing whitespace from string in java
167. String arrays in Java
168. Strings in Java Vs Strings in Cpp
169. Sum of digits of a number in Java
170. Art of Graphical User Interfaces
171. Trim in Java
172. RxJava
173. Recursion in Java
174. HashSet Java
175. Difference Between Java and Python
176. Square Root in Java
177. Reverse A String in Java
178. Even Odd Program in Java
179. Fibonacci Series in Java
180. Prime Number Program in Java
181. Java Program to Print Prime Numbers in a Given Range
182. Java Leap Year Program
183. Swapping of Two Numbers in Java
184. LCM of Two Numbers in Java
185. Math.sqrt() Function in Java
186. Area of Triangle in Java
187. Sort a String In Java
188. Factorial Program in Java
189. Javafx
190. Lambda expression in java
191. Setup Java Home and IDE on macOS
Welcome to the captivating world of C++! This robust programming language has carved a remarkable niche for itself across various spheres of the technological landscape. C++ serves as the bedrock for software creation, empowering both emerging startups and established corporations alike.
The versatility of C++ lies in its ability to offer granular control over your program's functionality. This unique attribute paves the way for crafting highly optimized and efficient software. However, it's essential to remember that with this level of control comes the responsibility of managing memory and processing resources.
Embarking on your journey with C++ might initially appear challenging, but fear not. Much like any new skill, mastering C++ is a matter of consistent practice and patience.
From building immersive computer games to advancing in the forefront of technology with artificial intelligence, C++ can serve as your launchpad. Your aspirations can shape your coding journey and, with C++, the possibilities are truly boundless.
Java is a programming language loved by many around the world. Small businesses, tech giants, and everyone in between use Java to build software.
Java is an object-oriented language. This means you can model real-world items, like cars or animals, in your code. It helps to keep things organized and easy to understand.
One cool thing about Java is that it can run on many different devices. You can write your code once, and it can work on your computer, a friend's computer, or even a computer halfway around the world!
Java might seem a bit tricky when you're starting out, but don't worry. You'll get used to it with time. Think of it like learning to ride a bike. At first, you might wobble, but soon you'll be zooming around with confidence.
You can use Java to build a fun mobile game or even dive into the world of web applications. So, let's put on our coding hats and start exploring Java!
The question of whether C++ or Java is "better" really depends on what you're trying to achieve. Both languages have their strengths and are better suited to certain types of tasks.
C++ is known for its efficiency and control. It's widely used in game development, real-time systems, and high-performance computing. If you're working on a project that needs direct control over hardware, or where performance is a critical factor, C++ might be the better choice.
Whereas Java is renowned for its platform independence and robustness. Java's "write once, run anywhere" principle makes it a popular choice for enterprise-level applications, web services, and Android app development. If your requirement is to run different types of project systems without recompiling, or if it's a large-scale distributed system, Java might be a better choice.
Both languages are powerful and versatile, with a large user base and lots of resources for learning. Your choice between C++ and Java should depend on your exact needs, your environment, and your long-term goals. It can also be beneficial to learn both languages to expand your skill set and versatility as a programmer.
When it comes to ease of learning and use, many people find Java easier to start with. Here are a few reasons why:
1. Syntax
Java's syntax is generally considered more readable and simpler to understand for beginners. It has fewer complex elements than C++.
2. Memory Management
Java handles memory management automatically. You don't need to worry about complex concepts like pointers and manual memory allocation and deallocation in C++. This can make coding and debugging a bit easier.
3. Object-Oriented Programming
Both Java and C++ are object-oriented languages. Yet, Java fully embraces this paradigm. Everything in Java is an object. This makes the programming model more consistent and easier to grasp for beginners.
4. Error Handling
Java's error-handling features make it easier to track down and fix issues in code. Exceptions in Java are more informative compared to C++.
However, "easier" can be subjective and depends on your background, previous coding experience, and what you're trying to achieve. Some may find the efficiency and control provided by C++ worth the steeper learning curve. But for absolute beginners, Java is often recommended as a good starting point.
Java and C++ syntax have a few differences. Here are some of them:
1. Main Function Declaration
In Java, the main function must be placed inside a class because everything in Java is an object. The signature of the main method in Java is:
In C++, the main function is a standalone function and not part of a class:
2. Memory Management:
In Java, memory allocation/deallocation is automatic. For example, when you create an object:
In C++, you have to handle memory management manually:
3. Inheritance
In Java, inheritance is done using the ‘extends’ keyword:
In C++, inheritance is done using the ‘:’ symbol:
4. Exception Handling:
In Java, exceptions are caught using try-catch blocks:
In C++, it's similar but with a different syntax:
These are just a few examples, but there are many more differences between the syntax of Java and C++. Both languages have their own unique features, which can make them better suited to certain types of tasks.
The performance of C++ and Java can vary significantly depending on the specific use case. Here are some general observations:
C++ is generally considered to be more performant than Java in most scenarios, especially where fine-grained control over system resources is needed. This is because C++ compiles down to machine code, giving it direct access to system resources, including memory management.
C++ is widely used in system programming, game development, real-time systems, and other performance-critical applications due to its high execution speed and control over hardware.
Java, on the other hand, runs on the Java Virtual Machine (JVM). The code you write is compiled into bytecode, which is then interpreted by the JVM. This additional layer can result in slower performance compared to C++.
However, modern JVMs use a feature called Just-In-Time (JIT) compilation, which compiles bytecode to machine code at runtime. This significantly improves the performance of Java programs.
Also, Java's automatic garbage collection can at times be slower than C++'s manual memory management. Yet, it also prevents many possible errors and memory leaks that can occur in C++.
Thus, in terms of raw computational performance and control, C++ usually has an edge. However, Java's performance is more than adequate for a wide range of applications, including enterprise-level software, server-side applications, and Android development.
Due to advancements in compiler and JVM technology, the performance gap between these two languages is not as noticeable as it once was. The choice between C++ and Java should be based on the requirements of the project, the development environment, and the skills of the team rather than solely on performance considerations.
C | C++ | Java | |
Execution | Compiled directly to machine code | Compiled directly to machine code | Compiled to bytecode, which is interpreted by the Java Virtual Machine (JVM) |
Features | Procedural | Procedural and Object-Oriented | Fully Object-Oriented, supports multi-threading |
Syntax Differences | Doesn't support classes or objects | Supports both procedural and object-oriented programming | Fully object-oriented, no global variables or functions, everything must be in a class |
Memory Management | Manual, using malloc() and free() | Manual, using new and delete | Automatic, handled by the garbage collector |
Inheritance | Doesn't support inheritance | Supports single and multiple inheritances | Supports single inheritance for classes and multiple inheritances for interfaces |
Exception Handling | Doesn't support exception handling | Supports exception handling with try, catch, and throw | Supports exception handling with try, catch, and throws |
Use Cases | System-level programming | System-level programming, game development, desktop apps | Enterprise applications, web apps, Android apps, server-side scripting, cloud-based services |
This table simplifies some aspects for clarity and doesn't cover all features or use cases of these languages. Each of these languages has its own strengths and is better suited to certain types of tasks.
C, C++, and Java each serve their own unique purposes in the world of programming. C, the pioneer, remains an excellent choice for system-level programming, giving developers close control over system resources, albeit with the responsibility of manual management.
C++, a progression from C, integrates object-oriented programming, making it robust for a multitude of applications, including game development and desktop applications. However, it still requires the developer to manage memory manually, a concept absent in C.
Then comes Java, which changes the dynamics completely. It's a fully object-oriented language with automatic memory management, making it user-friendly. Java's versatility has made it popular for web applications, enterprise software, and Android applications.
Finally, the decision between C, C++, and Java comes down to the work at hand, your personal preferences, and your level of expertise. It's not typical for programmers to have knowledge of all three to maximize their adaptability in different programming scenarios.
1. Is it necessary to learn C before C++ and Java?
While it's not a strict requirement, learning C first can provide a strong foundation for key programming concepts. However, you can definitely start directly with C++ or Java. Both languages offer more abstractions and built-in protections, which can make them more beginner-friendly.
2. What are some key differences in error handling between C++, and Java?
C++ and Java handle errors differently. C++ uses a mechanism called exception handling, which relies on the try, catch, and throw keywords. Java uses a similar mechanism but also introduces checked exceptions, which must be either caught or declared in the method signature.
3. How does the use of libraries differ in C++ and Java?
Both C++ and Java have extensive standard libraries. The Standard Template Library (STL) in C++ provides a large number of pre-written classes and functions. Java's standard library, known as the Java API, provides a large number of classes covering everything from data structures to network programming.
PAVAN VADAPALLI
Director of Engineering
Director of Engineering @ upGrad. Motivated to leverage technology to solve problems. Seasoned leader for startups and fast moving orgs. Working …Read More
Popular
Talk to our experts. We’re available 24/7.
Indian Nationals
1800 210 2020
Foreign Nationals
+918045604032
upGrad does not grant credit; credits are granted, accepted or transferred at the sole discretion of the relevant educational institution offering the diploma or degree. We advise you to enquire further regarding the suitability of this program for your academic, professional requirements and job prospects before enrolling. upGrad does not make any representations regarding the recognition or equivalence of the credits or credentials awarded, unless otherwise expressly stated. Success depends on individual qualifications, experience, and efforts in seeking employment.
upGrad does not grant credit; credits are granted, accepted or transferred at the sole discretion of the relevant educational institution offering the diploma or degree. We advise you to enquire further regarding the suitability of this program for your academic, professional requirements and job prospects before enr...