Coding⏱️ 2 min read📅 2026-05-31
How to Fix: Check if null Boolean is true results in exception
Check for null Boolean value before using it in conditional statements.
Quick Answer: Always check for null or undefined values before using them in conditional statements to avoid exceptions.
📋 Table of Contents
The issue arises from the fact that in Java, a null Boolean is not considered true or false. Instead, it's an invalid state and throws an exception when used in a conditional statement.
🛠️ Step-by-Step Verified Fixes
Method 1: Null Check
- Step 1: Use the '!' operator to check for null, like this: if (bool != null) { //DoSomething}
Method 2: Boolean Literal
- Step 1: Replace the null Boolean with a valid boolean literal, like this: if (true) { //DoSomething}
💡 Conclusion
By applying one of these fixes, you can avoid the exception and ensure your code runs smoothly.
❓ Frequently Asked Questions
Step 1: Use the '!' operator to check for null, like this: if (bool != null) { //DoSomething}
Step 1: Replace the null Boolean with a valid boolean literal, like this: if (true) { //DoSomething}
By applying one of these fixes, you can avoid the exception and ensure your code runs smoothly.
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