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Java error invalid method declaration return type required

your class name is Rectangle1 thus your Constructor name should be the same as well, currently java compiler this it as an method without a return type, thus valid method declaration; return type required" · java android android- studio. how do i fix this error wherein I get " invalid method declaration; return type required" and the error " missing method body or declare abstract". As you can see, the code public Circle( double r). how is that different from what I did in mine with public CircleR( double r)? For whatever reason, no error is given in the code from the book, however mine says there is an. You have a class name WriteContacts but you' re trying to create a constructor with name public WriteContacts2( ) which is not valid. Constructor name should exactly match the class name. Either change your class name to. If you want to run the class you need to put the method call in a main method public static void main( String. args) { shuffle( list_ test) ; }. If you do this you will either define list_ test as a static variable or define it inside the main method. the constructor' s name must have the exact name as the class name, in this case navdraw. You need to research for the error to find the solution. Duplicate : Java error - " invalid method declaration; return type required". elementName = name; } public String getElementName( ) { return elementName; } }.

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  • Video:Java method required

    Required declaration type

    But Netbeans say me: invalid method declaration; return type required, ilegal start of type on line element_ sentence( " b" ) ;. Certainly there will be other methods also for which you haven' t declared a return type. invalid method declaration; return type required. Error message says it clearly; you need to give return type of each method. The compiler thinks that you are trying to declare a method called " enterToken" but before it even parses the rest of the line it notices that you. You need to add return type for this line ( or) this line should go inside a method.