meant by encapsulation and polymorphism in OOP?

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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complete 1 with proper explanation and don't copy from the internet please 

What is meant by encapsulation and polymorphism in OOP?
b) Write a java program where this keyword can be used to invoke the current class constru
c) What will be the output of the following Java program?
public class EEE
{
static boolean b;
public static void main(String [] args)
{
short tt =
42;
if ( tt < 50 && !b ) /* Line 7 */
tt++;
if ( tt > 50 );
else if ( tt > 40 )
{
tt += 7;
tt++;
}
/* Line 9 */
else
--tt;
System.out.println(tt);
}
}
Transcribed Image Text:What is meant by encapsulation and polymorphism in OOP? b) Write a java program where this keyword can be used to invoke the current class constru c) What will be the output of the following Java program? public class EEE { static boolean b; public static void main(String [] args) { short tt = 42; if ( tt < 50 && !b ) /* Line 7 */ tt++; if ( tt > 50 ); else if ( tt > 40 ) { tt += 7; tt++; } /* Line 9 */ else --tt; System.out.println(tt); } }
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