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Java Programming
1. What do you understand by Java Virtual Machine?
2. Write a simple Java program to display a string message and explain the steps of compilation and execution in Java Environment.
3. Write a Java program to code ApplicantCollection class, which stores and display the personal details of three applicants.
4. What is the concept of interfaces in Java with a suitable example for the same?
5. Differentiate various Exception handling techniques available in Java?
The == gives true, if the variable reference points to the similar types of object in memory. That is a " shallow comparison ". The equals () - gives the results of run
When MalformedURLException and UnknownHostException throws? Ans) When the particular URL is not connected then the URL throws MalformedURLException and If InetAddress? methods g
Write a program using local variable Public void someMethod( ) { int x; //local variable System.out.println(x); // compile time error } - Constructor - Doesn't
What is the preferred organizational structure for the organization? The Network Organization is becoming the preferred organizational structure.
Explain Vector or Object-Oriented Graphics? The representation of graphical objects, like as lines, circles, arcs, and rectangles, along with mathematical formulas. This techni
Ask question Write an inheritance hierarchy for classes Quadrilateral, Trapezoid, Parallelogram, Rectangle and Square. Use Quadrilateral as the superclass of the hierarchy. Create
What is synchronization and why is it important? With respect to multithreading, synchronization is the potential to control the access of multiple threads to shared resources.
What is the difference between inner class and nested class? When a class is explained within a scope od another class, then it becomes inner class. If the access modifier o
The Applet's life cycle functions are as follows: public void init() : Initialization function called only once by the browser. public void start() : Method called after
Question: (a) Describe what is meant by a ‘constructor' in Java. Use a simple example to illustrate your answer. (b) Differentiate between a class method and an instance me
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