All Tutorials

Java Exceptions Explained – Checked vs Unchecked Exceptions with Examples and Best Practices

Learn Java exceptions in depth. Understand checked vs unchecked exceptions with real-world examples, performance tips, and best practices for robust code

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Throw vs Throws in Java – Key Differences, Syntax, and Best Practices

Learn the key differences between `throw` and `throws` in Java with syntax, examples, performance implications, and best practices for exception handling.

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Mastering Java Array Utility Methods – sort(), binarySearch(), copyOf() and More

Learn Java Arrays utility methods in depth including sort(), binarySearch(), copyOf(), equals(), fill() and more with examples, use-cases, and best practices.

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Multidimensional Arrays in Java – Declaration, Initialization, and Jagged Arrays Explained

Learn Java multidimensional arrays with examples. Covers declaration, initialization, jagged arrays, memory implications, and best practices for efficient coding.

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Java Keywords List: Complete Guide to Reserved Words

Explore the full list of Java keywords, their purpose, and rules. Understand why reserved words cannot be used as variable names and how the compiler interprets them.

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StringBuilder vs StringBuffer vs String – Performance and Use-Cases in Java

Understand the differences between String, StringBuilder, and StringBuffer in Java. Learn their performance, immutability, thread-safety, and ideal use-cases with examples

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Strings in Java – String Pool, Immutability, and Common Methods

Learn about Strings in Java, the concept of String Pool, why Strings are immutable, and the most commonly used String methods with practical examples

String MethodsString PoolJava ImmutabilityJava ProgrammingJava Strings

Java Literals Explained – Integer, Floating-Point, Boolean, Char, and String

Learn about Java literals including integer, floating-point, boolean, char, and string. Includes examples, use-cases, and best practices for writing clean code.

Integer LiteralBoolean LiteralJava LiteralsJavaString LiteralFloating Point LiteralChar Literal

Pass by Value in Java – Primitive vs Object Reference

Understand how Java passes variables to methods using pass-by-value, including the difference between primitives and object references, with examples and best practices.

Primitive Vs Object ReferenceJava Interview QuestionsJava Memory ManagementJava Method ParametersJava Pass By Value

Java Scope and Lifetime of Variables – Block, Method, and Class Scope

Learn about variable scope and lifetime in Java including block scope, method scope, and class scope with detailed examples, best practices, and interview tips.

Block ScopeClass ScopeVariable LifetimeMethod ScopeJava ScopeJava Programming