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Select the correct version of the method deleteBack that deletes the last value (the value at the back of the list) and returns the deleted value. If the list is empty, your method should throw a NosuchElementException). Assume the LinkedIntlist class as defined below: public class LinkedIntlist { private ListNode front; // null for an empty list ...

Select the correct version of the method deleteBack that deletes the last value (the value at the back of the list) and returns the deleted value. If the list is empty, your method should throw a NosuchElementException). Assume the LinkedIntlist class as defined below: public class LinkedIntlist { private ListNode front; // null for an empty list ...

EBK JAVA PROGRAMMING
EBK JAVA PROGRAMMING
9th Edition
ISBN:9781337671385
Author:FARRELL
Publisher:FARRELL
Chapter9: Advanced Array Concepts
Section: Chapter Questions
Problem 18RQ
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public int deleteBack () { ListNode current-front; int rdata=0; if (front.next==null){ rdata=front.data; front=null; return rdata; else { while(current.next.next!=null) current=current.next; rdata=current.next.data; current.next=null; return rdata; public int deleteBack () { ListNode current=front; if (front==null) throw new NoSuchElementException (); else { while(current.next!=null) current=current.next; current.next=null; return current.data; public int deleteBack () { ListNode current=front; int rdata=0; if (front==null) throw new NoSuchElementException(); if (front.next==null){ rdata=front.data; front=null; return rdata; else { while(current.next!=null) current=current.next; rdata=current.data; current.next=null; return rdata;
Transcribed Image Text:public int deleteBack () { ListNode current-front; int rdata=0; if (front.next==null){ rdata=front.data; front=null; return rdata; else { while(current.next.next!=null) current=current.next; rdata=current.next.data; current.next=null; return rdata; public int deleteBack () { ListNode current=front; if (front==null) throw new NoSuchElementException (); else { while(current.next!=null) current=current.next; current.next=null; return current.data; public int deleteBack () { ListNode current=front; int rdata=0; if (front==null) throw new NoSuchElementException(); if (front.next==null){ rdata=front.data; front=null; return rdata; else { while(current.next!=null) current=current.next; rdata=current.data; current.next=null; return rdata;
Select the correct version of the method deleteBack that deletes the last value (the value at the back of the list) and returns the deleted value. If the list is empty, your method should throw a NoSuchElementException. Assume the LinkedIntList class as defined below: public class LinkedIntlist { private ListNode front; // null for an empty list public int deleteBack () { ListNode current=front; int rdata=0; if (front==null) throw new NoSuchElementException (); if (front.next==nul1){ rdata=front.data; front-null; return rdata; else { while(current.next.next!=null) current=current.next; rdata=current.next.data; current.next=null; return rdata;
Transcribed Image Text:Select the correct version of the method deleteBack that deletes the last value (the value at the back of the list) and returns the deleted value. If the list is empty, your method should throw a NoSuchElementException. Assume the LinkedIntList class as defined below: public class LinkedIntlist { private ListNode front; // null for an empty list public int deleteBack () { ListNode current=front; int rdata=0; if (front==null) throw new NoSuchElementException (); if (front.next==nul1){ rdata=front.data; front-null; return rdata; else { while(current.next.next!=null) current=current.next; rdata=current.next.data; current.next=null; return rdata;
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