15.If class has explicit constructor , will it has default constructor? No. compiler places default constructor only if there is no explicit constructor. src:http://www.instanceofjava.com/2015/04/java-interview-questions-on-constructors.html...
Top Java Interview Questions And Answers – Set 5 1) Can a dead thread be started again? No, a thread that is in the dead state can't be started again. 2) Are arrays of primitive data types? No. In Java, Arrays are objects. 3) What are constructors in Java? In Java, the const...
73) Why do we need default constructor? The no-argument constructor initializesan object with default values and is supplied by Java if no constructors is specified. 74) Whether constructor has any returnvalue? Constructors return no value, not even`void`. 75) Is constructor inherited? In Java...
// constructor function function fun(name) { this.name = name; } // Add a method to the prototype fun.prototype.var = function() { return `Hello, I am ${this.name}.`; }; // Create an object const intelli = new fun('Intellipaat'); // Access a property and a prototype method...
Q #4) Name the Java IDE’s? Answer: Eclipse and NetBeans are the IDE’s of JAVA. Q #5) What do you mean by Constructor? Answer: Constructor can be explained in detail with enlisted points: When a new object is created in a program a constructor gets invoked corresponding to the cla...
9. Differentiate between the constructors and methods in Java? 10. What is final keyword in Java? “final” is a special keyword in Java that is used as a non-access modifier. A final variable can be used in different contexts such as: ...
Can we call a virtual function in a constructor?Why do we use oops concepts? What is its advantage?What is middleware? What is the functionality of web server?Why is java not 100% pure oops?When will you use an interface and abstract class?What is the exact difference in between Unicast...
There are four types of autowiring in Spring framework. autowire byName autowire byType autowire by constructor autowiring by@Autowiredand@Qualifierannotations Prior to Spring 3.1,autowire by autodetectwas also supported that was similar to autowire by constructor or byType. For more details about...
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132 . Are the constructors in an object invoked when it is de-serialized? 133 . Are the values of static variables stored when an object is serialized? Collections 134 . Why do we need collections in Java? 135 . What are the important interfaces in the collection hierarchy?