Java MCQ Quiz (Part - 6) | infoStud blogs

Following quiz provides Multiple Choice Questions (MCQs) related to Core Java. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz

1. Which attributes have real existing objects?

1. Objects have an identity, a state and a behavior.
2. Objects have a state and a behavior.
3. Objects have a size and weight.
4. Objects have an existence.

2.Which properties do all software objects have?

1. Software objects have RAM, ROM and processors.
2. Software objects have variables and memory.
3. Software objects have an identity, a state, and a behavior.
4. Software objects are made of computer elements.

3. What is the defining characteristic of a von Neumann computer ?

1. Multi-purpose memory is used to store programs and data.
2. RAM is used for data and ROM for programs.
3. He has both a processor and a memory.
4. He uses general purpose arithmetic registers.

4. If you start a Java application by java IrgendeineKlassetyping, which is the first method that will be executed?

1. The method IrgendeineKlasse.
2. The method of run()the class IrgendeineKlasse.
3. The method of main()the class IrgendeineKlasse.
4. The method applet().

5. What is a class?

1. A class is a description of a type of object.
2. A class is a piece of computer memory that contains objects.
3. A class is a part of the hard disk reserved for object-oriented programs.
4. A class is the part of an object that contains variables.

6. What is another name for object creation?

1. insubordination
2. initialization
3. instantiation
4. heredity

7. What are static variables and methods of a class?

1. Variables and methods that are part of the class definition but not their objects.
2. Variables and methods that form the basis of each object of the class.
3. Variables and methods that belong to all objects in the computer system.
4. Variables and methods that belong only to the objects of this class.

8. Which of the following statements invokes the method of length()the object strand stores the result in the variable laenge?

1. length = str.length ();
2. length = length.str ();
3. length = length (). str;
4. length = length (str);

9. How many objects can an application create from a particular class?

1. As many as the application requires.
2. Only one per constructor.
3. Only one per class.
4. One object per variable.

10. What kind of thing is “nothing new” in the following statement: String str = “Nichts Neues”;

1. A string shortcut.
2. A string in quotation marks.
3. A string literal.
4. An optimized string.