Java Util Library Tutorial
A practical handbook for understanding and using the Java Util library effectively. This guide covers commonly used utility classes such as collections, date and time utilities, scanners, random number generation, and helper classes that simplify everyday Java programming.
2 Modules
22 Lessons
English
0.5 Hr
Reading Plan
MODULE 1
Java Arrays Class
MODULE 2
Array Methods
copyOf() Method1 min
deepToString() Method1 min
deepHashCode() Method1 min
deepEquals() Method1 min
copyOfRange() Method1 min
compare() Method1 min
binarySearch() Method1 min
asList() Method1 min
setAll() Method1 min
parallelSetAll() Method1 min
parallelPrefix() Method1 min
mismatch() Method1 min
hashCode() Method1 min
parallelSort() Method1 min
fill() Method1 min
equals() Method1 min
sort() Method1 min
stream() Method1 min
toString() Method1 min
spliterator() Method1 min
compareUnsigned() Method1 min
Contributors
Java Util Library Tutorial
This handbook explains how the Java Util package supports day-to-day Java development. You’ll learn how to work with lists, sets, maps, iterators, date utilities, and common helper classes that reduce boilerplate and improve code clarity.
Why This Handbook Matters
The Java Util library is at the core of almost every Java application. Understanding it helps developers write efficient, readable, and maintainable code while avoiding reinventing common functionality.
Ideal Learners for This Handbook
This handbook is ideal for Java beginners strengthening fundamentals, students preparing for interviews, and developers who want deeper confidence using Java’s built-in utilities.
Prerequisites
This course is suitable for:
- Basic understanding of Java syntax
- Familiarity with variables and data types
- Knowledge of classes and objects
- Experience writing simple Java programs










