
Explore Java identifiers and variable names: allowed characters, starting with a letter, no spaces, case sensitivity, and reserved keywords like int.
Discover how to apply Java assignment operators—=, +=, -=, /=, and *=—to update variables, illustrated through a hands-on example with a and b and stepwise value changes.
Learn how the ternary operator in Java checks a condition and returns a value, yielding the greater or smaller number based on whether the condition is true or false.
Discover how the continue statement skips the rest of the current loop iteration in a for loop, with examples using i equals four or eight.
Master the switch statement by evaluating a condition, matching cases, and using break to stop execution, with examples from days of the week and default handling for wrong inputs.
Explore no return type with no argument by implementing a static void add two numbers, demonstrating void meaning null. It shows the sum printed from a main call, producing 15.
demonstrates return type with argument in Java by using int with two parameters to multiply and return a result, then shows adding four doubles and returning a double.
Print array elements using loops by creating an array, iterating with a for loop (or while loop) from zero to array.length, and printing values like 10, 20, 30, 40, 50.
Create your first Java class by defining data members and methods, then instantiate objects and access them with the dot operator, using a hello class example.
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