Can an Interface have an inner class?

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Yes public interface abc { static int i=0; void dd(); class a1 { a1() { int j; System.out.println("in interfia"); }; public static void main(String a1[]) { System.out.println("in interfia"); } } }

2013-02-04, 2420👍, 0💬

What is Externalizable?
What is Externalizable? Externalizable is an Interface that extends Serializable Interface. And sends data into Streams in Compressed Format. It has two methods, writeExternal(ObjectOuput out) and readExternal(ObjectInput in) 2013-02-05, 2489👍, 0💬

What is a local, member and a class variable?
What is a local, member and a class variable? Variables declared within a method are "local" variables. Variables declared within the class i.e not within any methods are "member" variables (global variables). Variables declared within the class i.e not within any methods and are defined as "static"... 2013-02-06, 2474👍, 0💬

What is the difference between an if statement and a switch statement?
What is the difference between an if statement and a switch statement? The if statement is used to select among two alternatives. It uses a boolean expression to decide which alternative should be executed. The switch statement is used to select among multiple alternatives. It uses an int expression... 2013-02-01, 2458👍, 0💬

Can an Interface have an inner class?
Can an Interface have an inner class? Yes public interface abc { static int i=0; void dd(); class a1 { a1() { int j; System.out.println("in interfia"); }; public static void main(String a1[]) { System.out.println("in interfia"); } } } 2013-02-04, 2421👍, 0💬

I made my class Cloneable but I still get 'Can't access protected method clone. Why?
I made my class Cloneable but I still get 'Can't access protected method clone. Why? Yeah, some of the Java books, in particular "The Java Programming Language", imply that all you have to do in order to have your class support clone() is implement the Cloneable interface. Not so. Perhaps that was t... 2013-02-07, 2418👍, 0💬

What are the problems faced by Java programmers who don't use layout managers?
What are the problems faced by Java programmers who don't use layout managers? Without layout managers, Java programmers are faced with determining how their GUI will be displayed across multiple windowing systems and finding a common sizing and positioning that will work within the constraints impo... 2013-01-31, 2417👍, 0💬

Can we define private and protected modifiers for variables in interfaces?
Can we define private and protected modifiers for variables in interfaces? Yes. 2013-02-05, 2410👍, 0💬

Can an Interface be final?
Can an Interface be final? yes. 2013-02-04, 2409👍, 0💬

Can there be an abstract class with no abstract methods in it?
Can there be an abstract class with no abstract methods in it? yes. 2013-02-01, 2374👍, 0💬

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