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Java Programming Questions and Answers

Software Programming : Java Programming QUESTIONS AND ANSWERS :: part4 : 1 to 5

Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :

1.Identify, from among the following, the incorrect descriptions related to Java :

Java Virtual Machine translates byte code into its own system’s machine language and runs the resulting machine code

The arithmetic operations *, /, %, + and – have the same level of precedence

Comments do not cause any action to be performed during the program execution

All variables must be given a type when they are declared

Java variable names are case-sensitive.

2.Consider the following statement(s) about Java: I. All white-space characters (blanks) are ignored by the compiler. II. Java keywords can be used as variable names. III. An identifier does not begin with a digit and does not contain any spaces. IV. The execution of Java applications begins at method main. Which of them is correct?

Both (I) and (III) above

Both (II) and (IV) above

Both (I) and (II) above

(III) and (IV) above

All (I), (II), (III) and (IV) above.

3.In object-oriented programming, the process by which one object acquires the properties of another object is called #50. In object-oriented programming, the process by which one object acquires the properties of another object is called

Encapsulation

Polymorphism

Overloading

Inheritance

Overriding.

4.A process that involves recognizing and focusing on the important characteristics of a situation or object is known as:

Encapsulation

Polymorphism

Abstraction

Inheritance

Object persistence.

5.Re-implementing an inherited method in a sub class to perform a different task from the parent class is called