Learn Java Training from the Best Tutors
Affordable fees 1-1 or Group class Flexible Timings Verified Tutors Search in
Asked by Abdul Last Modified
Answer 
Facing errors while invoking a method in Java can occur due to various reasons. It's important to analyze the specific error message and understand the context in which it occurs to determine the root cause. Here are some common reasons for encountering errors when invoking a method in Java:
1. Compilation Error
2. Null point exception
3. Method Signature Mismatch
4. Classpath Issues:
read lessBecause there is data type mismatch between the actual and formal parameters.
In the method declaration for zool(), you have declared variable a as type int and variable b as type String. Here a and b are not the actual values. They are the formal parameters which will receive the actual values when the method is invoked.
When you invoked zool() inside the main method, you passed two random characters.
read lessView 1 more Answers
Related Questions
Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com
Ask a QuestionRelated Lessons
Recommended Articles
Why Should You Learn Java !
Java is the most famous programming language till date. 20 years is a big time for any programming language to survive and gain strength. Java has been proved to be one of the most reliable programming languages for networked computers. source:techcentral.com Java was developed to pertain over the Internet. Over...
Read full article >
Some Popular IT Courses in Current Market
In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...
Read full article >
Top 5 Reasons to Learn JavaScript
Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...
Read full article >
Java: An Object-Oriented Language
Java is the most commonly used popular programming language for the creation of web applications and platform today. Integrated Cloud Applications and Platform Services Oracle says, “Java developers worldwide has over 9 million and runs approximately 3 billion mobile phones”. Right from its first implication as java 1.0...
Read full article >
Looking for Java Training Classes?
Learn from the Best Tutors on UrbanPro
Are you a Tutor or Training Institute?
Join UrbanPro Today to find students near youThe best tutors for Java Training Classes are on UrbanPro
The best Tutors for Java Training Classes are on UrbanPro
7
