What is the exact output of this program?
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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Question
What is the exact output of this program?
![public class CallPlaylistSong (
public static void main(String[] args) {
PlaylistSong headObj = null;
PlaylistSong firstSong = null;
PlaylistSong secondSong = null;
PlaylistSong thirdSong = null;
PlaylistSong currObj = null;
}
}
public class PlaylistSong {
private String name;
private PlaylistSong nextPlaylist SongPtr:
}
headObj = new PlaylistSong ("head");
first Song = new PlaylistSong ("Lacrimosa") ;
headObj. Insertäfter (firstSong);
secondSong = new Playlist Song ("Fidelio");
firstSong. Insertäfter (secondSong);
Playlist Song() {
this.name = "";
nextPlaylistSongPtr = null;
thirdSong = new PlaylistSong ("Adagio") ;
secondSong.Insertäfter (thirdSong);
}
currObj = headObj
while (currübj != null) {
currObj. PrintNodeData();
currObj = currObj. GetNext () =
Playlist Song (String name) {
this.name = name;
this.nextPlaylistSongPtr = null;
}
}
Playlist Song (String name, PlaylistSong nextLoc) {
this.name = name;
this.nextPlaylistSongPtr = nextLoc:
}
void Insertäfter (PlaylistSong nodeLoc) {
PlaylistSong tmpNext = null;
}
PlaylistSong GetNext() {
return this.next PlaylistSong Ftx:
tmpNext = this.nextPlaylistSongPtr:
this.nextPlaylistSongPtr = nodeLoc:
nodeLoc.nextPlaylist SongPor= tmpNext:
void PrintNodeData() {
System.out.println(this.name);
n](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1c870776-4927-4fbd-b218-f5b27740c439%2Fa91d47c0-eacd-46c2-bf05-cdba4c9602bc%2Fx1xk0ln_processed.png&w=3840&q=75)
Transcribed Image Text:public class CallPlaylistSong (
public static void main(String[] args) {
PlaylistSong headObj = null;
PlaylistSong firstSong = null;
PlaylistSong secondSong = null;
PlaylistSong thirdSong = null;
PlaylistSong currObj = null;
}
}
public class PlaylistSong {
private String name;
private PlaylistSong nextPlaylist SongPtr:
}
headObj = new PlaylistSong ("head");
first Song = new PlaylistSong ("Lacrimosa") ;
headObj. Insertäfter (firstSong);
secondSong = new Playlist Song ("Fidelio");
firstSong. Insertäfter (secondSong);
Playlist Song() {
this.name = "";
nextPlaylistSongPtr = null;
thirdSong = new PlaylistSong ("Adagio") ;
secondSong.Insertäfter (thirdSong);
}
currObj = headObj
while (currübj != null) {
currObj. PrintNodeData();
currObj = currObj. GetNext () =
Playlist Song (String name) {
this.name = name;
this.nextPlaylistSongPtr = null;
}
}
Playlist Song (String name, PlaylistSong nextLoc) {
this.name = name;
this.nextPlaylistSongPtr = nextLoc:
}
void Insertäfter (PlaylistSong nodeLoc) {
PlaylistSong tmpNext = null;
}
PlaylistSong GetNext() {
return this.next PlaylistSong Ftx:
tmpNext = this.nextPlaylistSongPtr:
this.nextPlaylistSongPtr = nodeLoc:
nodeLoc.nextPlaylist SongPor= tmpNext:
void PrintNodeData() {
System.out.println(this.name);
n
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