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Java Data Types Tutorial

In Java, data types are used to define the type and size of data a variable can store. Java supports two main categories of data types: Primitive Data Types: Built-in data types that store simple…

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Java Custom Exception Tutorial

In Java, exceptions are used to handle errors and unexpected conditions. While Java provides many built-in exceptions (like NullPointerException, ArithmeticException, etc.), sometimes you need to create your own custom exceptions to handle specific error scenarios…

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Java try-catch Block Tutorial

In Java, exception handling is a crucial mechanism that allows a program to handle errors and exceptions gracefully. The try-catch block is used to handle exceptions by catching the error and preventing the program from…

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Java Number Class Tutorial

In Java, the Number class is an abstract superclass for all numeric wrapper classes such as Integer, Double, Float, Long, Short, and Byte. These wrapper classes convert primitive data types into objects and provide several…

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Java User Input Tutorial

In Java, accepting user input is a fundamental part of many applications, especially interactive ones. Java provides various ways to capture user input, with the most commonly used method being the Scanner class from the…

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Java Logical Operators Tutorial

In Java, logical operators are used to combine multiple boolean expressions or values to return a boolean result (true or false). These operators play a crucial role in decision-making, control flow, and condition evaluation. Logical…

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Java Type Casting Tutorial

In Java, type casting is the process of converting one data type into another. This is often necessary when you’re working with different types of data in your programs. Java supports two types of casting:…

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