Lecture Notes
... ¤ Make sure collection includes x; return true if it has changed (some collections allow duplicates, some don’t) public boolean contains(Object x); ¤ Return true iff collection contains x (uses method equals) public boolean remove(Object x); ¤ Remove one instance of x from the collection; retu ...
... ¤ Make sure collection includes x; return true if it has changed (some collections allow duplicates, some don’t) public boolean contains(Object x); ¤ Return true iff collection contains x (uses method equals) public boolean remove(Object x); ¤ Remove one instance of x from the collection; retu ...
Data Structures and Java
... interface, the throws clause should be present in both the interface and the class that implements it However, an implementing class can throw additional exceptions as long as they are runtime exceptions ...
... interface, the throws clause should be present in both the interface and the class that implements it However, an implementing class can throw additional exceptions as long as they are runtime exceptions ...
ppt
... Make sure collection includes x; return true if it has changed (some collections allow duplicates, some don’t) public boolean contains(Object x); Return true iff collection contains x (uses method equals) public boolean remove(Object x); Remove one instance of x from the collection; return tru ...
... Make sure collection includes x; return true if it has changed (some collections allow duplicates, some don’t) public boolean contains(Object x); Return true iff collection contains x (uses method equals) public boolean remove(Object x); Remove one instance of x from the collection; return tru ...
Lecture 15 Slides
... Much more memory can be made available, and memory which is no longer needed can be released straight away. ...
... Much more memory can be made available, and memory which is no longer needed can be released straight away. ...
Computers, Programs, and Java What is a Computer? Computer
... Data of various kinds, e.g., numbers and characters, are encoded as a series of bits. As a programmer, you need not worry about the encoding scheme. e.g., In an ASCII Table, we use 7 bits to encode 128 characters. ...
... Data of various kinds, e.g., numbers and characters, are encoded as a series of bits. As a programmer, you need not worry about the encoding scheme. e.g., In an ASCII Table, we use 7 bits to encode 128 characters. ...
CHAPTER 1
... Some Java Characteristics • Case-sensitive • Free-form layout • A Java program must have one and only one method, called main, which is the program entrance • Two ways for comments – // -- comment a single line – /* ... */ -- comment a paragraph ...
... Some Java Characteristics • Case-sensitive • Free-form layout • A Java program must have one and only one method, called main, which is the program entrance • Two ways for comments – // -- comment a single line – /* ... */ -- comment a paragraph ...
slides
... Items being chained together. Does not have to be sorted in any way Allows for very efficient insertion and removal. Dynamic (whenever more memory is needed it gets allocated) Down side = random access of data is inefficient. You have to access sequentially. ...
... Items being chained together. Does not have to be sorted in any way Allows for very efficient insertion and removal. Dynamic (whenever more memory is needed it gets allocated) Down side = random access of data is inefficient. You have to access sequentially. ...
Factory Method Pattern - Define an interface for
... are commonly used in collections. When the user of a collection requests either an Iterator or Enumeration, the message is sent to the concrete implementation class of the collection, returning the desired Iterator or Enumeration. valueOf Methods – The valueOf methods found in the java.lang primitiv ...
... are commonly used in collections. When the user of a collection requests either an Iterator or Enumeration, the message is sent to the concrete implementation class of the collection, returning the desired Iterator or Enumeration. valueOf Methods – The valueOf methods found in the java.lang primitiv ...
Tutorial: What Software Lawyers Need to Know about Software
... Enter your first name: Josephine Enter your last name: Jaworski Hello, Josephine Jaworski Press any key to continue... ...
... Enter your first name: Josephine Enter your last name: Jaworski Hello, Josephine Jaworski Press any key to continue... ...
Chapter 20 Lists, Stacks, Queues, and Priority Queues
... If a method has no meaning in the subclass, you can implement it in the subclass to throw java.lang.UnsupportedOperationException, a subclass of RuntimeException. This is a good design that you can use in your project. If a method has no meaning in the subclass, you can implement it as follows: ...
... If a method has no meaning in the subclass, you can implement it in the subclass to throw java.lang.UnsupportedOperationException, a subclass of RuntimeException. This is a good design that you can use in your project. If a method has no meaning in the subclass, you can implement it as follows: ...
![[Sets] [Hello. This is Rachel Cardell](http://s1.studyres.com/store/data/000219922_1-85acba46f3035809e6b6362c02e31e32-300x300.png)
[Sets] [Hello. This is Rachel Cardell
... The performance of add, delete or isMember is O(p) where p is the number of elements in the set, because in the worst case we have to traverse the whole list to find the element we are looking for. When adding an element, we need to traverse the whole list to check that we are not adding a duplicat ...
... The performance of add, delete or isMember is O(p) where p is the number of elements in the set, because in the worst case we have to traverse the whole list to find the element we are looking for. When adding an element, we need to traverse the whole list to check that we are not adding a duplicat ...
Lists, sets and iterators
... Hash tables map each object onto a numeric code (a hash number) and store the elements in hash number order. Hash tables are more efficient than Red-Black trees so they are to be preferred for modelling large sets. Precise analysis of the relative efficiency of data structures such as these appears ...
... Hash tables map each object onto a numeric code (a hash number) and store the elements in hash number order. Hash tables are more efficient than Red-Black trees so they are to be preferred for modelling large sets. Precise analysis of the relative efficiency of data structures such as these appears ...
Introduction to Java - Brookwood High School
... implementation or design. 5. Operation – the program is actually used. The most important and time-consuming activity during the operation phase is software maintenance. We often need to change and add features for customers, or fix previously undetected errors. It is estimated that 70% of the cost ...
... implementation or design. 5. Operation – the program is actually used. The most important and time-consuming activity during the operation phase is software maintenance. We often need to change and add features for customers, or fix previously undetected errors. It is estimated that 70% of the cost ...
Chapter 3
... ADTs or Collection classes should be generic only write them once, hold lots or all types of data Java achieves genericity through inheritance and ...
... ADTs or Collection classes should be generic only write them once, hold lots or all types of data Java achieves genericity through inheritance and ...
Implementing ADTs
... ADTs or Collection classes should be generic only write them once, hold lots or all types of data Java achieves genericity through inheritance and ...
... ADTs or Collection classes should be generic only write them once, hold lots or all types of data Java achieves genericity through inheritance and ...
Programlama ve Nesneler
... • Common problems with growing complexity – Tracking of variables – Control mechanisms ...
... • Common problems with growing complexity – Tracking of variables – Control mechanisms ...
sigcse-presentation-2002
... Allow students to interactively evaluate expressions and statements ...
... Allow students to interactively evaluate expressions and statements ...
Computer Science A, 1
... classes contains methods (here main) methods contains statements (here System.out…) One class has the same name as the file (Hello.java) One method in that class is called main ...
... classes contains methods (here main) methods contains statements (here System.out…) One class has the same name as the file (Hello.java) One method in that class is called main ...
Overview - Faculty
... reviews, suppliers? how does Google keep track of web links? how does Google maps find the shortest route between two cities? how does your email get sorted by name, date, etc? ...
... reviews, suppliers? how does Google keep track of web links? how does Google maps find the shortest route between two cities? how does your email get sorted by name, date, etc? ...
SET
... In a bit vector implementation, each set is allocated (ideally) as the same number of bits as the size of the universal set. The universal set will have a natural or imposed order, each 1 or 0 will represent the presence or absence of that member of the universal set. Some languages, such as PL/1 su ...
... In a bit vector implementation, each set is allocated (ideally) as the same number of bits as the size of the universal set. The universal set will have a natural or imposed order, each 1 or 0 will represent the presence or absence of that member of the universal set. Some languages, such as PL/1 su ...
SET
... In a bit vector implementation, each set is allocated (ideally) as the same number of bits as the size of the universal set. The universal set will have a natural or imposed order, each 1 or 0 will represent the presence or absence of that member of the universal set. Some languages, such as PL/1 su ...
... In a bit vector implementation, each set is allocated (ideally) as the same number of bits as the size of the universal set. The universal set will have a natural or imposed order, each 1 or 0 will represent the presence or absence of that member of the universal set. Some languages, such as PL/1 su ...
Programlama ve Nesneler
... • Mechanism that allows us to examine the elements stored in a data structure one by one. – The iterator() that exists in all collections returns an iterator that we can use. – Iterator only has three methods • Object next() • boolean has next() • void remove() ...
... • Mechanism that allows us to examine the elements stored in a data structure one by one. – The iterator() that exists in all collections returns an iterator that we can use. – Iterator only has three methods • Object next() • boolean has next() • void remove() ...