Answered: symbol tables in separation for all 4…

Engineering

Computer Science

symbol tables in separation for all 4 scopes in this program

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter2: Using Data

Section: Chapter Questions

Problem 14RQ

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Concept explainers

Data Dictionary

A database management system has an entity-relationship diagram, data dictionary, and data model as some of its key components, which are tools for the users who are managing the database. One of them is the data dictionary. The data dictionary can also be called metadata. By definition, metadata is a generic concept in the world of information and technology. An example of metadata could be meta-information about a media file or an image file, like author, location, last updated, size, etc. The contents of a data dictionary are names, attributes, and properties of main data elements which are captured during an experiment or stored in an information system, for example, databases. We can also call it a central repository of information about the main data.

Question

1. Draw the symbol tables in separation for all 4 scopes in this program. Assume each table
contains two columns: name and type.
2. If the language uses static scoping, what’s the expected output from the print statement?
Justify your answer by showing the tree of the symbol tables at the print statement.
3. If the language uses dynamic scoping, what’s the expected output from the print statement?
Justify your answer by showing the tree of the symbol tables at the print statement.

1
2
3
4
5
6
7
8
9
Consider the following pseudo-code. Assume the language has one global scope, and one scope for
each braced code block (including function and branch):
int x = 1;
void f1(int x) {
if (x > 4)
f1 (x
10 |}
11
12
13
14
1);
int x = 5;
f2();
else {
void f2() { print x; }
f1 (6);

Process by which instructions are given to a computer, software program, or application using code.

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