What are true about Java classes?
- The class should only contain those attribute and functionality which it should; hence keeping it short.
- The class attributes and methods should be public.
- The class should have thousands of lines of code.
- The class name should start with lowercase.
Which statement is true about Java?
The correct answer to the question “Which statement is true about Java” is, option (a). Platform independent programming language. As we already know that Java is a platform-independent language, which functions on a set principle “compile once, and run everywhere”.
What is not true about a class in Java?
Which statement is not true in java language? (a) A public member of a class can be accessed in all the packages.
|1.||Answer : (a) Reason: The default value of a static integer variable of a class in Java is 0.|
|10.||Answer : (c) Reason: A finally block is executed whether an exception is thrown or not is correct.|
What does Java class contain?
A class describes the data and the methods of its objects. Every object belongs to some class. An object contains data (instance variables) representing its state, and instance methods, which are the things it can do. … A class contains one or more constructors for making new objects of that class.
What is true about DO statement?
What is true about do statement? Explanation: Do statement checks the condition at the end of the loop. Hence, code gets executed at least once. … Explanation: Break is used with a switch statement to shift control out of switch.
How do you define a class in Java?
Defining a Class in Java
The keyword must be followed by the class name. Inside the class, we declare methods and variables. In general, class declaration includes the following in the order as it appears: Modifiers: A class can be public or has default access.
Which statement is true about Java Java is a sequence dependent programming language?
|Que.||Which statement is true about java?|
|b.||Platform dependent programming language|
|c.||Code dependent programming language|
|d.||Sequence dependent programming language|
|Answer:Platform independent programming language|
Which statement is true about interfaces?
An interface cannot have instance variables is true about interfaces. Explanation: An interface is similar to a class, but the main difference is that it can have only declaration and the implementation of the functions and procedures will be given by the class which is implementing the interface.
Which of the following statements about strings class in Java are true a String class is immutable B String class is final C String class is abstract?
Correct Answer: C, D, E
String class is defined in java. lang package. The string is immutable and hence thread-safe in java.
What is true about class getInstance ()?
What is true about Class. getInstance()? Explanation: Class class provides list of methods for use like getInstance(). … Explanation: Constructor returns a new object with variables defined as in the class.
Which statement is true about Java Mcq?
2. Which statement is true about Java? Explanation: Java is called ‘Platform Independent Language’ as it primarily works on the principle of ‘compile once, run everywhere’.
Why do we need class in Java?
Short answer is, classes help you take all the properties and behaviors of an object in your program, and combine them into a single template. Yes, a class in Java is simply a template for creating objects with similar attributes and behavior.
What are the features of Java?
Features of Java Programming Language
- Simple and Familiar. Java is simple because: …
- Compiled and Interpreted. Usually, a computer language can be either compiled or interpreted. …
- Platform Independent. …
- Portable. …
- Architectural Neutral. …
- Object-Oriented. …
- Robust. …
Why do we need class in programming?
Classes are required in OOPs because: It provides template for creating objects, which can bind code into data. It has definitions of methods and data. It supports inheritance property of Object Oriented Programming and hence can maintain class hierarchy.