Why am I facing error while invoking a method in Java?

Asked by Last Modified  

3 Answers

Learn Java

Follow 2
Answer

Please enter your answer

Adm It Solutions

zool method is taking two parameters. First one is of int data type and the other one is of String data type. You have to declare the variables before passing them as parameters in the zool method.
Comments
Dislike Bookmark

Because 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...
read more
Because 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 less
Comments
Dislike Bookmark

Python trainer believe in practical learning.

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...
read more
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 less
Comments
Dislike Bookmark

View 1 more Answers

Related Questions

What is the use of the "this" keyword in Java?
'this' refer the current instance of a class. You can get and set data members of current object using 'this' prefix inside there class data type.
Deepak
0 0
9
Why does â??5/2 = 2â?? and not 2.5 in Python?
Due to dynamic Typing. use Numpy , and declare data type , you will get desired result
Srikanth
0 0
6
What is the use of deployment descriptor?
A deployment descriptor describes how a component, module or application should be deployed. A web application’s deployment descriptor describes the classes, resources and configuration of the application...
Monisha
Which two are valid constructors for Thread? Thread(Runnable r, String name) Thread() Thread(int priority) Thread(Runnable r, ThreadGroup g) Thread(Runnable r, int priority) A. 1 and 3 B. 2 and 4 C. 1 and 2 D. 2 and 5
C
Srikanth
How can I learn Java from home?
Hi Divya, There are several ways to learn Java from home. 1. You can find trainer on UrbanPro. 2. You can find free resources available online like youtube or javaranch, stackoverflow 3.You can connect...
Divya
0 0
5

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Class and Objects in Java
Class is a template or a blueprint which is used to describe an object. On other hand Object is a reference of a class which follows all the stuff written inside the class. How about taking the whole tour in the following video

Kalyani Jawade

1 0
0
Spring - Dependency Injection (DI)
Spring - Dependency Injection (DI) DI is a framework which provides loose coupling in code. Here loose coupling means no hard coding of the object. Instead of hard coding, we will be injecting these object...

Gaurav Kothari

1 0
0
JAVA Online Training
What is Java? Java is a technology developed by James Gosling at Sun Microsystems, Sun Microsystems is now a part of Oracle Corporation. This is one of the most powerful & securable language used to...

Websoft Technologies

0 0
0
Fractional Knapsack
Algorithm - Fractional Knapsack import java.util.Scanner; public class Knapsack01 { public static void main(String args) { Scanner scan = new Scanner(System.in); int...

Paras Chawla

0 0
0
Introduction to Course Content
Video about what we are going to learn throughout the Java Training Session .

Jtcindia Java Training Center

0 0
0

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 >

Find Java Training Classes near you
Java Training Classes in Bangalore
Java Training Classes in Hyderabad
Java Training Classes in Pune
Java Training Classes in Chennai
Java Training Classes in Delhi
Java Training Classes in Mumbai
Java Training Classes in Kolkata
Java Training Classes in Noida
Java Training Classes in Gurgaon
Java Training Classes in Ghaziabad
Online Java Training

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 you