Linked Questions

I have some doubt ,i want to know that is int π; is a valid syntax in Java Or Not because Java support UNICODE so according to me it can be valid but I want to make sure

I need to name an Object: Dave's Account I'm trying to do this using the following code: Account Dave's Account = new Account; but it's not working, I need the single quotation to be part of the ...

What characters are valid in a Java class name? What other rules govern Java class names (for instance, Java class names cannot begin with a number)?

Why are special characters (except $, _) not allowed in Java variable names?

How can I best check if a string input would be a valid java variable for coding? I'm sure I'm not the first one who is willing to do this. But maybe I'm missing the right keyword to find something ...

I read about the naming of Java variables. It says that Java variables cannot start with any numbers and special characters except for $ and _. Some valid examples: int count; int _count; int $...

Identifiers are well defined by The Java Language Specification, Java SE 7 Edition (§3.8) An identifier is an unlimited-length sequence of Java letters and Java digits, the first of which must be a ...

This is a question from a Java test I took at University I. publicProtected II. $_ III. _identi#ficador I've. Protected I'd say I, II, and I've are correct. What is the correct answer for this? ...

The following line of code will not compile: String 89.9 = new String("Hot 89.9"); It gives the following errors: src/mainPackage/Userinterface.java:73: error: ';' expected String Hot89.9 = ...

i want to get class name from java file .for example class Mango { now i want to get mango as class name. this is the regex i used \s*class\s+(\S+) it works and i captured the class name .the ...

I was reviewing a program I found in internet and I'm trying to figure out how it works, but I can't find anything about this function that could help me. public static double regress(double x, ...

I have a simple question: In Java Compiler, Which type of method or variables can be defined as identifier (ID) or Keyword (reserved word)? For following example, ID should be : add, main, a, b, c, ...

I know $ can be used as a method name in Java. What else? class MyClass { String $() { return "I've never been expected anyone would invoke me"; } } This is actually a practical ...

Many places on SO lead to the JLS section on Identifiers, but I have a question on what's written there. The "Java letters" include uppercase and lowercase ASCII Latin letters A-Z (\u0041-\u005a), ...

I'm new to Java and trying to setup a switch statement using enums. for the declaration of my enums however I am getting compilation errors such as "illegal start of type", so my question is if names ...