Java 6 Illuminated: An Active Learning Approach, 2nd Edition



There are many ways to

code the deletion of a node

in the list.Try to write code

that is easy to read and

maintain.

SOFTWARE

ENGINEERING TIP



When traversing a list,

always test if a node refer-

ence is null before calling a

method using that refer-

ence.Failure to do so might

result in a NullPointerExcep-

tion at run time.More gen-

erally,when coding a

linked-list method,always

pay attention to the possi-

bility of an object reference

being null before using

that reference to call a

method.

COMMON ERROR

TRAP



Short-circuit evaluation of

logical expressions is dis-

cussed in Chapter 5.

REFERENCE POINT

1014 CHAPTER 14 An Introduction to Data Structures

If we reversed the ...