Java program errors, please solve it

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1.00/5 (2 votes)

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Java

import Java.util.Scanner;
class number
{
	public static void main(string args[]);
	int a,b,c,d,e;
	Scanner no=new Scanner(System.in);
	System.out.println("Enter two numbers");
	a=no.nextInt();
	b=no.nextInt();
	if(a==b)
	{
		System.out.println("Enter two another numbers");
		c=no.nextInt();
		d=no.nextInt();
		if(c%2==0 && d%2==0)
		{
			e=a+b+c+d;
			System.out.println("Addition is " +e);
		}
		else
		{
			System.out.println("Both are not even");
		}
	}
	else
	{
		System.out.println("Both are not equal");
	}
}

What I have tried:

I have tried to solve the errors but I cant

Posted 17-Oct-22 20:42pm

Shaurya bansal

Updated 24-Oct-22 2:46am

OriginalGriff

v2

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OriginalGriff · Answer 1 · 2022-10-17T20:51:00

Start by looking at the error messages - I have no idea what compiler system you are using, so I can't be specific, but I'd guess it's complaining about this line:

Java

System.out.println("Enter two numbers");

With an "Illegal start of type" or similar message.

Why? Because the semicolon on this line ends the method declaration:

Java

public static void Main(string args[]);
                                      ^
                                      |

A method body needs to be enclosed in curly brackets:

Java

public static void Main(string args[])
   {
   ...
   }

In your case, the code that you expected to be part of the method isn't, and the compiler won't allow non-declarative statements (i.e. ones that don't create a variable or method) outside of any method.

You should expect to get syntax errors every day, probably many times a day while you are coding - we all do regardless of how much experience we have! Sometimes, we misspell a variable, or a keyword; sometimes we forget to close a string or a code block. Sometimes the cat walks over your keyboard and types something really weird. Sometimes we just forget how many parameters a method call needs.

We all make mistakes.

And because we all do it, we all have to fix syntax errors - and it's a lot quicker to learn how and fix them yourself than to wait for someone else to fix them for you! So invest a little time in learning how to read error messages, and how to interpret your code as written in the light of what the compiler is telling you is wrong - it really is trying to be helpful!

So read this: How to Write Code to Solve a Problem, A Beginner's Guide Part 2: Syntax Errors[^] - it should help you next time you get a compilation error!