How many classes a Java program have?

Yes, we can have multiple classes in same java file . But, there is one restriction over here, which is that you can have as many classes in one file but only one public class is allowed. If we try to declare 2 classes as public in the same file, the code will not compile.

Yes, we can have multiple classes in same java file . But, there is one restriction over here, which is that you can have as many classes in one file but only one public class is allowed. If we try to declare 2 classes as public in the same file, the code will not compile.

There are seven types of classes in Java: Static Class. Final Class. Abstract Class.

There are seven types of classes in Java: Static Class. Final Class. Abstract Class.

By counting entries in the ‘all classes’ frame of the javadoc API: 4569 in java 14.11 Kas 2011

By counting entries in the ‘all classes’ frame of the javadoc API: 4569 in java 14.11 Kas 2011