/bigdata-free-tutorials

Free Big Data tutorials for beginners with 56 interactive lessons. Easy-to-follow programming guides with hands-on practice exercises.

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 ๐Ÿ“– How to resolve 'cannot find symbol' error in Java Beginner ๐Ÿ”— View
02 ๐Ÿ“– Java Book Class Challenge Beginner ๐Ÿ”— View
03 ๐Ÿ“– Java Fahrenheit to Celsius Conversion Beginner ๐Ÿ”— View
04 ๐Ÿ“– Java FizzBuzz Challenge Beginner ๐Ÿ”— View
05 ๐Ÿ“– How to convert a Long to a double in Java Beginner ๐Ÿ”— View
06 ๐Ÿ“– How to create a mutable List from a Java array without affecting the original array Beginner ๐Ÿ”— View
07 ๐Ÿ“– How to create a new Java file in the terminal Beginner ๐Ÿ”— View
08 ๐Ÿ“– How to find a word in a Java String using the indexOf() method Beginner ๐Ÿ”— View
09 ๐Ÿ“– How to get the current date and next date using LocalDate in Java Beginner ๐Ÿ”— View
10 ๐Ÿ“– How to handle division by zero in Java programs Beginner ๐Ÿ”— View
11 ๐Ÿ“– How to handle invalid user input in a Java program Beginner ๐Ÿ”— View
12 ๐Ÿ“– How to print a Java boolean result Beginner ๐Ÿ”— View
13 ๐Ÿ“– How to work with Unicode characters in Java Beginner ๐Ÿ”— View
14 ๐Ÿ“– How to split a string into an ArrayList using a delimiter in Java Beginner ๐Ÿ”— View
15 ๐Ÿ“– Java ArrayList Shopping Cart Challenge Beginner ๐Ÿ”— View
16 ๐Ÿ“– How to fix 'class not found' error when compiling and running Java code Beginner ๐Ÿ”— View
17 ๐Ÿ“– How to handle 'java.time.format.DateTimeParseException' Beginner ๐Ÿ”— View
18 ๐Ÿ“– How to resolve 'cannot access class' error Beginner ๐Ÿ”— View
19 ๐Ÿ“– How to compare Java objects based on multiple attributes Beginner ๐Ÿ”— View
20 ๐Ÿ“– How to configure ObjectMapper to ignore unknown properties in JSON in Java Beginner ๐Ÿ”— View
21 ๐Ÿ“– How to read JSON file from relative path in Java Beginner ๐Ÿ”— View
22 ๐Ÿ“– How to handle null values when joining Java strings Beginner ๐Ÿ”— View
23 ๐Ÿ“– How to fix 'no main manifest attribute' error in Java Beginner ๐Ÿ”— View
24 ๐Ÿ“– How to fix 'package does not exist' error in Java Beginner ๐Ÿ”— View
25 ๐Ÿ“– How to set time zone for LocalDate in Java Beginner ๐Ÿ”— View
26 ๐Ÿ“– How to create Java arrays with fixed size Beginner ๐Ÿ”— View
27 ๐Ÿ“– How to manage Java project structure Beginner ๐Ÿ”— View
28 ๐Ÿ“– How to print variable type in Java Beginner ๐Ÿ”— View
29 ๐Ÿ“– Class and Object Beginner ๐Ÿ”— View
30 ๐Ÿ“– Comparator and Comparable Beginner ๐Ÿ”— View
31 ๐Ÿ“– Convert Integer List to Int Array Beginner ๐Ÿ”— View
32 ๐Ÿ“– Resolving 'Could Not Find or Load Main Class' Error in Java Beginner ๐Ÿ”— View
33 ๐Ÿ“– How to Convert Enum to String Beginner ๐Ÿ”— View
34 ๐Ÿ“– How to Find Maximum Value Map Beginner ๐Ÿ”— View
35 ๐Ÿ“– Writing Data Into CSV File Using Java Beginner ๐Ÿ”— View
36 ๐Ÿ“– Determining Space Characters in Java Beginner ๐Ÿ”— View
37 ๐Ÿ“– Convert Character to Lowercase in Java Beginner ๐Ÿ”— View
38 ๐Ÿ“– Java Long Compare Method Beginner ๐Ÿ”— View
39 ๐Ÿ“– Reading a CSV File Beginner ๐Ÿ”— View
40 ๐Ÿ“– Spy in Mockito Beginner ๐Ÿ”— View
41 ๐Ÿ“– Abstraction and Interface Beginner ๐Ÿ”— View
42 ๐Ÿ“– Access Modifiers and Inheritance Beginner ๐Ÿ”— View
43 ๐Ÿ“– Check if Input Is Integer Beginner ๐Ÿ”— View
44 ๐Ÿ“– Java Conditional Expressions Fundamentals Beginner ๐Ÿ”— View
45 ๐Ÿ“– Introduction to Java Programming Advanced ๐Ÿ”— View
46 ๐Ÿ“– Methods & Parameters and Object Beginner ๐Ÿ”— View
47 ๐Ÿ“– Number, String and Array Beginner ๐Ÿ”— View
48 ๐Ÿ“– Overloading and Overriding Beginner ๐Ÿ”— View
49 ๐Ÿ“– Recursion and Loops Beginner ๐Ÿ”— View
50 ๐Ÿ“– Variables and Operators in Java Intermediate ๐Ÿ”— View
51 ๐Ÿ“– Your First Java Lab Advanced ๐Ÿ”— View
52 ๐Ÿ“– Java Data Types and Basic Operations Intermediate ๐Ÿ”— View
53 ๐Ÿ“– Java Control Flow: Conditionals and Loops Beginner ๐Ÿ”— View
54 ๐Ÿ“– Java Methods and Basic Object-Oriented Programming Beginner ๐Ÿ”— View
55 ๐Ÿ“– Java Arrays and ArrayLists Beginner ๐Ÿ”— View
56 ๐Ÿ“– Java Scanner Input Challenge Beginner ๐Ÿ”— View

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