Home / Questions / Which of the following Java programs will result in a runtime error, and why? public class RuntimeErrorExample { public static void main(String[] args) { int a = 10; int b = 0; int result = a / b; System.out.println("Result: " + result); } }
Explanatory Question

Which of the following Java programs will result in a runtime error, and why? 

public class RuntimeErrorExample {
    public static void main(String[] args) {
        int a = 10;
        int b = 0;
        int result = a / b; 
        System.out.println("Result: " + result);
    }
}

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Answer with Explanation

This program will compile successfully but will crash at runtime due to division by zero (10 / 0), causing an ArithmeticException.

Fixed Code (Using Exception Handling):


public class RuntimeErrorExample {
    public static void main(String[] args) {
        int a = 10;
        int b = 0;
        try {
            int result = a / b; // Risky operation
            System.out.println("Result: " + result);
        } catch (ArithmeticException e) {
            System.out.println("Error: Division by zero is not allowed.");
        }
    }
}

This ensures that the program handles the error gracefully instead of crashing. 🚀