Java If…Else Examples

✅ Java If…Else Examples

if, else if, and else statements allow your Java program to make decisions based on conditions.

1️⃣ Basic `if` Statement

Runs a block of code only if the condition is true.

📌 Output:

2️⃣ `if...else` Example

Executes one block if the condition is true, otherwise executes another.

📌 Output:

3️⃣ `if...else if...else` Example

Used when there are multiple conditions.

public class Main {
public static void main(String[] args) {
int marks = 75;if (marks >= 90) {
System.out.println("Grade: A+");
} else if (marks >= 75) {
System.out.println("Grade: A");
} else if (marks >= 50) {
System.out.println("Grade: B");
} else {
System.out.println("Fail");
}
}
}

public class Main {

public static void main(String[] args) {

int marks = 75;if (marks >= 90) {

System.out.println("Grade: A+");

} else if (marks >= 75) {

System.out.println("Grade: A");

} else if (marks >= 50) {

System.out.println("Grade: B");

} else {

System.out.println("Fail");

}

📌 Output:

4️⃣ Nested `if` Statement

if inside another if.

public class Main {
public static void main(String[] args) {
int age = 25;
boolean hasLicense = true;if (age >= 18) {
if (hasLicense) {
System.out.println("You are allowed to drive.");
} else {
System.out.println("You need a driving license.");
}
} else {
System.out.println("You are too young to drive.");
}
}
}

public class Main {

public static void main(String[] args) {

int age = 25;

boolean hasLicense = true;if (age >= 18) {

if (hasLicense) {

System.out.println("You are allowed to drive.");

} else {

System.out.println("You need a driving license.");

}

} else {

System.out.println("You are too young to drive.");

}

📌 Output:

5️⃣ Ternary Operator (Shortcut for if…else)

A shorter way to write simple conditions.

📌 Output:

🧠 Summary

Structure	Use Case
`if`	One condition
`if...else`	Two possible outcomes
`else if`	Multiple conditions
Nested `if`	Condition inside another
Ternary (`? :`)	Short form decision

Java If…Else Examples