Practice Big Data Free Tutorials

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Big Data is a crucial field in today's data-driven world. This Skill Tree provides a comprehensive, hands-on way to learn big data technologies and techniques. Ideal for beginners, it offers a systematic roadmap to master data analysis, processing, and management. Through practical, non-video courses, you'll gain real-world experience working with large datasets and advanced tools.

Index	Name	Difficulty	Tutorial Link
01	📖 How to resolve 'cannot find symbol' error in Java	Beginner	🔗 View
02	📖 Java Book Class Challenge	Beginner	🔗 View
03	📖 Java Fahrenheit to Celsius Conversion	Beginner	🔗 View
04	📖 Java FizzBuzz Challenge	Beginner	🔗 View
05	📖 How to convert a Long to a double in Java	Beginner	🔗 View
06	📖 How to create a mutable List from a Java array without affecting the original array	Beginner	🔗 View
07	📖 How to create a new Java file in the terminal	Beginner	🔗 View
08	📖 How to find a word in a Java String using the indexOf() method	Beginner	🔗 View
09	📖 How to get the current date and next date using LocalDate in Java	Beginner	🔗 View
10	📖 How to handle division by zero in Java programs	Beginner	🔗 View
11	📖 How to handle invalid user input in a Java program	Beginner	🔗 View
12	📖 How to print a Java boolean result	Beginner	🔗 View
13	📖 How to work with Unicode characters in Java	Beginner	🔗 View
14	📖 How to split a string into an ArrayList using a delimiter in Java	Beginner	🔗 View
15	📖 Java ArrayList Shopping Cart Challenge	Beginner	🔗 View
16	📖 How to fix 'class not found' error when compiling and running Java code	Beginner	🔗 View
17	📖 How to handle 'java.time.format.DateTimeParseException'	Beginner	🔗 View
18	📖 How to resolve 'cannot access class' error	Beginner	🔗 View
19	📖 How to compare Java objects based on multiple attributes	Beginner	🔗 View
20	📖 How to configure ObjectMapper to ignore unknown properties in JSON in Java	Beginner	🔗 View
21	📖 How to read JSON file from relative path in Java	Beginner	🔗 View
22	📖 How to handle null values when joining Java strings	Beginner	🔗 View
23	📖 How to fix 'no main manifest attribute' error in Java	Beginner	🔗 View
24	📖 How to fix 'package does not exist' error in Java	Beginner	🔗 View
25	📖 How to set time zone for LocalDate in Java	Beginner	🔗 View
26	📖 How to create Java arrays with fixed size	Beginner	🔗 View
27	📖 How to manage Java project structure	Beginner	🔗 View
28	📖 How to print variable type in Java	Beginner	🔗 View
29	📖 Class and Object	Beginner	🔗 View
30	📖 Comparator and Comparable	Beginner	🔗 View
31	📖 Convert Integer List to Int Array	Beginner	🔗 View
32	📖 Resolving 'Could Not Find or Load Main Class' Error in Java	Beginner	🔗 View
33	📖 How to Convert Enum to String	Beginner	🔗 View
34	📖 How to Find Maximum Value Map	Beginner	🔗 View
35	📖 Writing Data Into CSV File Using Java	Beginner	🔗 View
36	📖 Determining Space Characters in Java	Beginner	🔗 View
37	📖 Convert Character to Lowercase in Java	Beginner	🔗 View
38	📖 Java Long Compare Method	Beginner	🔗 View
39	📖 Reading a CSV File	Beginner	🔗 View
40	📖 Spy in Mockito	Beginner	🔗 View
41	📖 Abstraction and Interface	Beginner	🔗 View
42	📖 Access Modifiers and Inheritance	Beginner	🔗 View
43	📖 Check if Input Is Integer	Beginner	🔗 View
44	📖 Java Conditional Expressions Fundamentals	Beginner	🔗 View
45	📖 Introduction to Java Programming	Advanced	🔗 View
46	📖 Methods & Parameters and Object	Beginner	🔗 View
47	📖 Number, String and Array	Beginner	🔗 View
48	📖 Overloading and Overriding	Beginner	🔗 View
49	📖 Recursion and Loops	Beginner	🔗 View
50	📖 Variables and Operators in Java	Intermediate	🔗 View
51	📖 Your First Java Lab	Advanced	🔗 View
52	📖 Java Data Types and Basic Operations	Intermediate	🔗 View
53	📖 Java Control Flow: Conditionals and Loops	Beginner	🔗 View
54	📖 Java Methods and Basic Object-Oriented Programming	Beginner	🔗 View
55	📖 Java Arrays and ArrayLists	Beginner	🔗 View
56	📖 Java Scanner Input Challenge	Beginner	🔗 View

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