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Describe The ? operator in Java langauge?
The conditional operator just works for assigning a value to a variable, using a value within a method invocation, or in a few other way that indicates the type of its second and third arguments. For instance, consider the subsequent
if (name.equals("Rumplestiltskin")) { System.out.println("Give back child");}else { System.out.println("Laugh");}This may not be written like this: name.equals("Rumplestiltskin") ? System.out.println("Give back child") : System.out.println("Laugh");
First of all, both the second and third arguments are void. Other than, no assignment is present to denote the type in which is expected for the second and third arguments (though you know void must be wrong).
The first argument to the conditional operator must have or return Boolean type and the second and third arguments must return values compatible along with the value the whole expression can be expected to return. You could never use a void techniques as an argument to the ? : operator.
What is an intelligent system? Intelligent system is a SW programs or SW and HW systems designed to perform complex tasks employing strategies in which mimic some aspect of hum
What is the difference between instance and object of a class? Few says both are same, then why java kept both the words for same thing?
You are required to write a program that is going to be used to store the student details of a particular school. This school caters for students aged between 5 years to 15 years.
Source Code
A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
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The Application context module makes spring a framework. This module extends the concept of BeanFactory, giving support for internationalization (I18N) messages, application lifecy
i nedd servlet basics
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