One or more of the following statements could be true. Tick the true statements and leave thefalse statements unticked. You get full marks only for correctly denoting each statement astrue/false by ticking/leaving unticked respectively. There are no partial marks.O The reference value passed as argument to func1 in line 11 is the same as the referencevalue passed as argument to func2 in line 16.O The output of the program is 30333633303630.O Line 09 creates an object that is a copy of the object created in line 08.O Line 19 prints the value of the member variable n of the object referenced by t1. Consider the following piece of code. (The numbers on the left margin denote line numbers.)line#01public class funcRef {02private int n1, n2;public funcRef (int m1, int m2) {n1 = m1; n2 = m2;}03public static void funci (funcRef t) {t.n1 += 3;}public static void func2 (funcRef t) {t.n2 - 3;}public static void main (String [] args) {0405-3=0607funcRef t1, t2;t1 = new funcRef (30, 36);t2 = t1;0809System.out.print (t2.n1);func1(t1);1011System.out.print (t2.n1);System.out.print (t1.n2);func2(t1);121314System.out.print (t1.n2);func2 (t2);System.out.print (t1.n2);func1(t2);15161718System.out.print (t2.n1);System.out.print (t1.n2);192021return;22}23

We will go one by one from the statments and try to understand them . In the first statment it is…

One or more of the following statements could be true. Tick the true statements and leave the false statements unticked. You get full marks only for correctly denoting each statement as true/false by ticking/leaving unticked respectively. There are no partial marks. O The reference value passed as argument to func1 in line 11 is the same as the reference value passed as argument to func2 in line 16. The output of the program is 30333633303630. O Line 09 creates an object that is a copy of the object created in line 08. Line 19 prints the value of the member variable n of the object referenced by t1.

One or more of the following statements could be true. Tick the true statements and leave the false statements unticked. You get full marks only for correctly denoting each statement as true/false by ticking/leaving unticked respectively. There are no partial marks. O The reference value passed as argument to func1 in line 11 is the same as the reference value passed as argument to func2 in line 16. The output of the program is 30333633303630. O Line 09 creates an object that is a copy of the object created in line 08. Line 19 prints the value of the member variable n of the object referenced by t1.

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

Problem 1PE

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Concept explainers

Types of Function

A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can write their own function to perform some operation. There are some libraries or header files that contain built-in functions for performing certain tasks.

Question

One or more of the following statements could be true. Tick the true statements and leave the
false statements unticked. You get full marks only for correctly denoting each statement as
true/false by ticking/leaving unticked respectively. There are no partial marks.
O The reference value passed as argument to func1 in line 11 is the same as the reference
value passed as argument to func2 in line 16.
O The output of the program is 30333633303630.
O Line 09 creates an object that is a copy of the object created in line 08.
O Line 19 prints the value of the member variable n of the object referenced by t1.

Consider the following piece of code. (The numbers on the left margin denote line numbers.)
line#
01
public class funcRef {
02
private int n1, n2;
public funcRef (int m1, int m2) {n1 = m1; n2 = m2;}
03
public static void funci (funcRef t) {t.n1 += 3;}
public static void func2 (funcRef t) {t.n2 - 3;}
public static void main (String [] args) {
04
05
-3=
06
07
funcRef t1, t2;
t1 = new funcRef (30, 36);
t2 = t1;
08
09
System.out.print (t2.n1);
func1(t1);
10
11
System.out.print (t2.n1);
System.out.print (t1.n2);
func2(t1);
12
13
14
System.out.print (t1.n2);
func2 (t2);
System.out.print (t1.n2);
func1(t2);
15
16
17
18
System.out.print (t2.n1);
System.out.print (t1.n2);
19
20
21
return;
22
}
23

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