Start learning and practising company-specific questions in Java for better performance in your upcoming interviews. Basics of Java are what most people fail to understand. Don’t worry, we have covered all the Java basics and advanced concepts to help you master all necessary concepts with a focus on accuracy and time too. So, enroll in the Basics of Java guided path today!
Pre-requisites: Basic Aptitude And Enthusiasm To Learn
Module 1
Introduction to Java
6 Notes & 12 Problems
0/120
Introduction
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JDK, JRE and JVM
0/40
Attempt
How to run a Java Code?
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MCQs
0/80
Attempt
Module 2
Variables and Data types
8 Notes & 20 Problems
0/200
Introduction
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Keywords in Java
0/20
Attempt
Data Types in Java
0/40
Attempt
Scope of Variables in Java
0/40
Attempt
Types of Variables in Java
0/30
Attempt
TypeCasting in Java
0/40
Attempt
Overflow and Underflow in Java
0/30
Attempt
Module 3
Basic I/O in Java
2 Notes & 8 Problems
0/200
Taking User Input in Java
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MCQs
0/40
Attempt
Practice Problems
0/160
Attempt
Module 4
Operators in Java
9 Notes & 31 Problems
0/310
Introduction
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Arithmetic Operators
0/40
Attempt
Unary Operators
0/50
Attempt
Assignment Operators
0/40
Attempt
Relational Operators
0/40
Attempt
Logical Operators
0/30
Attempt
Bitwise Operators
0/40
Attempt
Ternary Operators
0/40
Attempt
Instance of Operators
0/30
Attempt
Module 5
Control Statements in Java
3 Notes & 31 Problems
0/650
Introduction and Selection Statements
0/80
Attempt
Practice Problems
0/160
Attempt
Iteration Statements
0/80
Attempt
Jump Statements
0/50
Attempt
Practice Problems
0/280
Attempt
Module 6
Methods in Java
5 Notes & 17 Problems
0/290
Introduction to Methods
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Types of Methods
0/40
Attempt
Parameters in Methods
0/40
Attempt
Method Overloading
0/50
Attempt
Practice Problems
0/160
Attempt
Module 7
Memory Allocation
2 Notes & 6 Problems
0/60
Introduction to Memory Allocation
0/30
Attempt
Garbage Collection in Java
0/30
Attempt
Module 8
Arrays
10 Notes & 16 Problems
0/340
Arrays
0/50
Attempt
Two-Dimensional Array
0/50
Attempt
Advantages and Disadvantages
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Example Problems
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Practice Problems
0/240
Attempt
Module 9
Strings
3 Notes & 16 Problems
0/310
Introduction to Strings
0/90
Attempt
Important Java Methods
0/20
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Practice Problems
0/200
Attempt
Module 10
Object Oriented Programming in Java
15 Notes & 55 Problems
0/940
Introduction
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Package in Java
0/40
Attempt
Access Modifiers in Java
0/40
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Classes and Objects in Java
0/40
Attempt
Static keyword in Java
0/40
Attempt
Final Keyword in Java
0/40
Attempt
Practice Problems
0/320
Attempt
Constructor in Java
0/90
Attempt
this and super Keywords in Java
0/40
Attempt
Instance Initialization block in Java
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Encapsulation in Java
0/40
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Inheritance in Java
0/120
Attempt
Polymorphism in Java
0/80
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Abstraction in Java
0/50
Attempt
Module 11
Exception Handling
8 Notes & 10 Problems
0/100
Introduction to Exception Handling
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Types of exceptions in Java
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Multiple catch block in Java
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Explicitly throw an exception in Java
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Finally block in Java
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User-defined exception in Java
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MCQs
0/100
Attempt
Module 12
Collections in Java
12 Notes & 5 Problems
0/50
Introduction
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Why Java Collections
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Java Collection Framework Hierarchy
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MCQs
0/50
Attempt
Collection Algorithms
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Example Problems
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Score 80% (Without penalty)
Frequently Asked Questions
How can I learn the basics of Java easily?
To learn Java easily and efficiently, first understand its basics i.e. it’s object-oriented programming structure. Be patient while going through the concepts and be thorough with them. Try to practice Java code as much as possible as it will help you in developing confidence.
How long does it take to be a java developer?
A Java developer can expect to work for one to four years. The time it takes to become a Java developer is mostly determined by the path they pursue and their aptitude. On average, it takes one to two years of at least three hours of daily code practice to become a confident Java developer.
What are the main differences between the Java platform and other platforms?
Java is the software-based platform whereas other platforms may be the hardware platforms or software-based platforms. Java is executed on the top of other hardware platforms whereas other platforms can just contain the hardware components.
Why is the Java platform independent?
Java is a platform-independent programming language because it uses Java Virtual Machine to run Java programs. Java source code is compiled to platform independent bytecode which can be interpreted by JVM on any platform.
Why is Java not 100% Object-oriented?
Java is not fully object oriented because it supports primitive data types like it, byte, long etc., which are not objects.