Add and remove of ArrayList and LinkedList
The major companies in the Java interview will be a number of Java source problems, this series I will be one for you to analyze
Various Java-important source code
ArrayList and LinkedList are 2 classes that are often compared, because they all implement the list class
Essentially, their underlying storage is different.
Private transient object[] elementdata;
This is the underlying storag
Because the list is used, there are several ways to remove duplicate data. Recorded in this ...
test Data:
list
method One:
hashset
Method Two:
for (int i = 0; i
Method Three:
Replace the same with null. for
(int i = 0; i
method Four:
This method is the same as above, except that the logic for
(int i = 0; i
final output See results
Console.WriteLine ("Li1 Remove
then click the color that you want.
To change to a collection of colors that are not part of the theme colors theme colors: The files used. Theme colors, theme fonts, and theme effects form a theme. , click More Shadow Colors, and then on the Standard tab, click the color you want, or mix your own color on the Custom tab. If you later change the document theme: a unified set of design elements, use colors, fonts, and graphics to set the appearance of the document. , the colors and custom color
The code is as follows
Copy Code
Remove the header space of the string (left space) function LTrim (str) {var i;for (i=0;iif (Str.charat (i)!= "") break;}str = str.substring (i,str.length);return str;}Remove the trailing space of the string (right space)function RTrim (str) {var i;for (i=str.length-1;i>=0;i--) {if (Str.charat (i)!= "") break;}str = str.substring (0,i+1);return str;}
Topic:Follow up for "Remove duplicates":What if duplicates is allowed at the most twice?For example,Given sorted Array A = [1,1,1,2,2,3] ,Your function should return length = 5 , and A is now [1,1,2,2,3] .Ideas:You can draw on the two pointer movement method of the remove duplicates from Sorted array.However, some details need to be considered. For example, we need to continue to assign values that are less
VS2010 own color time long tired eye pain, today spent a bit of kung fu find a bit, combined with their own style, gray color theme, the effect is very goodVS2010 color effects are as follows:: http://download.csdn.net/detail/seagate_64/8299763How to remove wavy lines from Chinese annotationsVS2010 English version:There is a problem with the English version of the vs2010, that is, because it is Chinese, the old display of wavy lines that represent gra
The ability to remove comments from various files in a Linux operating system is often used to view a longer file without looking at annotations. Typically these files include *.c written in C, *.h files, CPP files, *.xml files, *.sh shell script files, *.ini *.conf profiles, *.php *.py *.pl files written in programming languages, and executable files with no extensions.It is not complicated to implement this function, usually there are several types
The title is here: https://leetcode.com/problems/remove-nth-node-from-end-of-list/"Label" Linked List; Pointers"Personal Analysis"This topic should be considered as the basic problem in linked list. It is not based on its simplicity, but because it is the cornerstone. Some of the classic methods in the Linked list are used in this problem.1. The pointers in the Linked list: If you can pre-link the list to know the length, then the topic is much simple
Index: [Leetcode] leetcode key index (C++/JAVA/PYTHON/SQL)Github:https://github.com/illuz/leetcode026. Remove duplicates from Sorted Array (easy)links:Title: https://oj.leetcode.com/problems/remove-duplicates-from-sorted-array/Code (GitHub): Https://github.com/illuz/leetcodeTest Instructions:To an ordered sequence, delete the repeating element.Analysis:If you can open an array to save it is very easy. But t
Index: [Leetcode] leetcode key index (C++/JAVA/PYTHON/SQL)Github:https://github.com/illuz/leetcode027. Remove Element (Easy) link :Title: https://oj.leetcode.com/problems/remove-element/Code (GitHub): Https://github.com/illuz/leetcodeTest Instructions :Deletes all numbers in an array with a value of elem.Analysis :Use two pointers, one for the position to be placed, and one for the scan pointer.Because it's
Many users like to install the theme to Win8, but often a theme only for a period of time, long time a lot of discarded themes remain. So how does the Win8 system remove the theme?
Method One: Delete in the personalization window
Right-personalize, open the Personalize window so that the topic you want to delete is in an unused state, and if it's still in use, click on another theme to replace it with another theme. Then, when you right-click on t
In Windows 7, we can manage wireless networks (such as deleting profiles, and so on) in a network sharing center, and there is no such option in Windows 8 and 8.1.
Of course, Windows 8 did not completely remove this feature, or left us with a command line to do some simple editing operations.
Solution:
First, under the traditional desktop, use the Win+x shortcut and select command Prompt (Admin) from the Open menu.
If the U
Remove win7 System desktop shortcut method small arrow steps:
1. Use the shortcut key "Win+r" to open the Run window, enter "Regidit" in the window to press ENTER to end;
2. Then expand: hkey_classes_rootlnkfile, delete the "Isshortcut" string Value entry in the "Lnkfile" subkey, as shown in the following figure:
3. Expand "Hkey_classes_rootpiffile" to remove the "Isshortcut" string Value e
In the Windows taskbar, contains the common system menu and the running application icon, for careful users will find that there are some gaps between each application picture, in fact, such gaps in the Win7 and WIN10 system will have, but some users for the system's beautiful, Want to remove the gap between the icons, but do not know how to manipulate, so the small set for everyone to remove the Win8 taskb
The use of computer users know that the input method is a prerequisite for the use of computer programs, if you want to type, input method is essential, so there are a variety of input method software, can be said to blossom Ah! But I do not know if you have noticed that when we switch to IME, there will often be a ch word, This is the default input method of Microsoft system, in fact, we all know that the default input method for our daily use, the usage rate is very low, not very used, then wh
In the later stage of the scenery works, because of the light ratio processing or sharpening and so on causes the main edge to appear the annoying white side miscellaneous edge, greatly reduce the image of the ornamental, these miscellaneous edges can be used to remove the PS function, but some of the picture color complex, remove the color of the miscellaneous edge may produce other colors of the miscellan
Download a lot of Word data from the Internet, inside incredibly all have watermark, sweat, look particularly uncomfortable ah. Check the following, remove the watermark method is really a lot, now sorted out, hope to use word2003 friend useful.
Methods a common way to remove the watermark:
Select the "format"--> background--> watermark in the menu bar, and then select "No watermark" in the pop-up Waterma
First, remove the redundant boot menu on the system configuration
First click on "Start-run", enter the "msconfig" command on the Run input box, run the command to open the System Configuration window, switch to "start" and remove these unwanted startup menu items.
Ii. Execute bcdedit command in cmd
Here to teach you to delete through the Win7 menu management commands, just enter "CMD" on the Run
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