An java applet is a small, embeddable Java program. The java.applet package is a small one. It contains the Applet class, which is the superclass of all applets, and three related interfaces
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Take another look at how we've been creating our circle object:
Circle c = new Circle();
What are those parentheses doing there? They make it look like we're calling a function! In fact, that is exactly what we're doing. Every class in Java has at least one constructor method, which has the same...
Java is an object-oriented language. "Object-oriented" is a term that has become so commonly used as to have practically no concrete meaning. This chapter explains just what "object-oriented" means for Java. It covers:
Classes and objects in Java
Garbage collection to free...
When a new operator is created some memory is allocated on the JVM’s heap at runtime. Garbage collection is the process of freeing the objects that are no longer in use or not referenced by the programmer, which reduces the programmer’s job to manage the memory for un-used objects thereby preventing...
i) It has a public no-args constructor
ii) It has 'set' and 'get' methods for its properties.
iii) It may have any general functions.
iv) If required it must be Serializable.
If the bean uses library classes alone, it is automatically serializable.