JAVA
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Please answer true or false for JAVA problem below:
The communication activities directly related to data input and output should be placed in the data definition class.
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- Local declarations are those that are kept in the memory of the computer; but, how exactly are they kept in memory? If reaching one's objective can be done without making use of local declarations, then doing so is a waste of time. Why bother using value parameters when you can just use references as your arguments in any function? How crucial are value parameters when it comes to the processing of programmed data?Java Assignment: Experiment with naming rules in Java Does the language use static or dynamic scoping? Can scopes nest? Are they open or closed? Does the scope of a name encompass the entire block in which it is declared, or only the portion after the declaration? How does one declare mutually recursive types or subroutines? Can subroutines be passed as parameters, returned from functions, or stored in variables? If so, when are referencing environments bound? Justify your answers with suitable code snippet and its output.Correct the following wrong statements. Any Variable declared primitive real-value type couldn’t be promoted to any other data type in Java.
- Mixed Fraction Arithmetic Java Project: Problem Description: Make a java program that facilitates addition, subtraction, multiplication, and division of mixed numbers (similar with the first activity) but this time all of the inputs /outputs may involve fractions, mixed fractions, or a combination. Points to consider: MixedFraction class must override the operations (add, subtract, multiplyBy, divideBy) inherited from Fraction class to have a different implementation if the MixedFraction object will have a Fraction object as parameter in performing the required operation, On top of that, the inherited operations must also be overloaded to allow a MixedFraction object to accept other parameters such as a whole number or another MixedFraction object. The toString method which is inherited must also be overridden by MixedFraction to have a more appropriate return value. Further formatting must also be considered such that if the result of the operation has a zero value for the whole…Computer Science JAVA: If you wanted to test two variables for equivalency, what operator do you use? Give two circumstances in which that operator does not perform as expected, and why.The differences between value types and reference types applies to parameters. True False
- Describe some peculiarities of classes and pointers.USE C++ PLEASE Q#1 Using the concept of classes, constructors and data structure (arrays or any under data structure) implement a detailed University and student enrollment system. Each department of university has a separate class and perform every functionality with in a class. Create a main class where methods of other classes will be called.a class can be instaniated from an object (true/false) we use pointer variable to reference objects stored in the heap memory (true/false) a class diagram can only be implemented using C++ (true/false)