Control Statements & Ternary Operator in Java Core Java Session 5

Welcome to Session 5 of the Core Java Beginner Crash Course by Madras Academy! 🚀

In this session, we’ll dive into Java control statements, important keywords, and the ternary operator, which are essential for writing efficient and structured Java programs.

🔹 Topics Covered:

✅ Understanding Control Statements – if, else, switch, loops (for, while, do-while) ✅ Key Java Keywords – Controlling program flow with break, continue, and more ✅ Ternary Operator – A concise way to handle decision-making ✅ Hands-on Coding Examples & Best Practices

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🔥 What Are Java Control Statements?

Control statements in Java help in decision-making and control the execution flow of the program. These statements include:

1️⃣ Conditional Statements

• if, else if, and else – Used for conditional execution
• switch – A better alternative for multiple if-else conditions

Example:

int num = 10;
if (num > 0) {
    System.out.println("Positive Number");
} else {
    System.out.println("Negative Number");
}

2️⃣ Looping Statements

Loops help execute a block of code multiple times:

• for – Used when the number of iterations is known
• while – Runs as long as the condition is true
• do-while – Runs at least once before checking the condition

Example:

for (int i = 1; i <= 5; i++) {
    System.out.println("Iteration: " + i);
}

3️⃣ Jump Statements

• break – Exits the loop prematurely
• continue – Skips the current iteration and moves to the next

Example:

for (int i = 1; i <= 5; i++) {
    if (i == 3) {
        continue; // Skips when i is 3
    }
    System.out.println("Iteration: " + i);
}

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💡 Ternary Operator in Java

The ternary operator (condition ? trueValue : falseValue) is a shorthand for if-else statements.

Example:

int num = 10;
String result = (num > 0) ? "Positive" : "Negative";
System.out.println(result);

This reduces the need for writing multiple lines of conditional statements!

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🎥 Watch the Full Video Tutorial

By the end of this session, you’ll have a solid understanding of Java’s control flow mechanisms and how to write more efficient code!

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