complete tutorials on core java in java

The enableEvents() method is used to enable an event for a particular object. Normally, an event is enabled when a listener is added to an object for a particular event. The enableEvents() method is used by objects that handle events by overriding their event-dispatch methods. In Java, the enableEvents() method is not used for a specific purpose related to … Read more

A void return type indicates that a method does not return a value. In Core Java, the void return type is used to indicate that a method does not return any value. When a method is declared with a void return type, it means that the method performs some actions but does not produce a result that … Read more

The values true and false are not keywords. In Core Java, “true” and “false” are keywords used to represent boolean literals. These keywords are part of the Java programming language and are used to denote the boolean values true and false, respectively. For example: java boolean isTrue = true; boolean isFalse = false; Here, “true” and “false” are used … Read more

E is the base of the natural logarithm and PI is mathematical value pi. In Core Java, E and PI typically refer to the constants Math.E and Math.PI defined in the java.lang.Math class. Math.E: This constant represents the mathematical constant “e,” which is the base of the natural logarithm. It is approximately equal to 2.71828. java double eValue … Read more

A throw statement may throw any expression that may be assigned to the Throwable type. In Java, the throw statement is used to explicitly throw an exception. When you use the throw statement, you typically throw an instance of a class that extends either Throwable, which is the base class for all exceptions and errors, or one … Read more