What is the exact output produced by the following undocumented code?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What is the exact output produced by the following undocumented code?
class ATest{
private int aNum; private double aReal;
public ATest() { }
public ATest(int a, double b)
{aNum = a; aReal = b; }
public int getNum() { return aNum; }
public double getReal() { return aReal; }
public int castNum() { return (int)aReal; }
public void change() { aNum *= 2; }
}
public class TestA Test
{ public static void main(String[] args)
{ ATest objA = new ATest(2, 5.9);
ATest objB = new ATest(10, 40.4);
while(objA.getNum() != objB.castNum())
{ System.out.println(objA.getNum() + ' + objB.getReal());
ATest objC = new ATest(objB.getNum() * 2, 6.8);
objA = objC;
objB.change(); }
System.out.println("objectA= " + objA.getNum() + + objA.getReal());
System.out.println("objectB = " + objB.getNum() + "" + objB.getReal());
}}
Transcribed Image Text:What is the exact output produced by the following undocumented code? class ATest{ private int aNum; private double aReal; public ATest() { } public ATest(int a, double b) {aNum = a; aReal = b; } public int getNum() { return aNum; } public double getReal() { return aReal; } public int castNum() { return (int)aReal; } public void change() { aNum *= 2; } } public class TestA Test { public static void main(String[] args) { ATest objA = new ATest(2, 5.9); ATest objB = new ATest(10, 40.4); while(objA.getNum() != objB.castNum()) { System.out.println(objA.getNum() + ' + objB.getReal()); ATest objC = new ATest(objB.getNum() * 2, 6.8); objA = objC; objB.change(); } System.out.println("objectA= " + objA.getNum() + + objA.getReal()); System.out.println("objectB = " + objB.getNum() + "" + objB.getReal()); }}
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