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What's your most controversial programming opinion?
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I fail to understand why people think that Java is absolutely the best "first" programming language to be taught in universities.
For one, I believe that first programming language should be such that it highlights the need to learn control flow and variables, not o...
Why not abstract fields?
Why can't Java classes have abstract fields like they can have abstract methods?
5 Answers
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How would you access Object properties from within an object method? [closed]
... other than setting the value of the property an example of wrong usage in Java.
– euphoria83
Aug 9 '10 at 2:37
1
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How can I tell jackson to ignore a property for which I don't have control over the source code?
...d and has unsupported characters in its name? Like '@'? JVM allows it, but Java compiler does not. Does Jackson have solution for this?
– mark
Mar 20 '13 at 16:13
3
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design a stack such that getMinimum( ) should be O(1)
...rom, for example in C the least significant bit of the next pointer, or in Java the type of the objects in the linked list. For Java this does mean there's more space used compared to a contiguous stack, as you have the object overhead per link:
public class LinkedStackWithMin {
private static ...
Eclipse: quick search on filename
...ox in the top of package explorer which could filter showing packages and .java files depending of entered text. Anyone knows something like that?
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
...tive features:
Largest library ecosystem, since you can directly use any Java libraries
Vectors [] and maps {} used as standard in addition to the standard lists () - in addition to the general usefullness of vectors and maps some believe this is a innovation which makes generally more readable
Gr...
How do I remove repeated elements from ArrayList?
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In Java 8:
List<String> deduped = list.stream().distinct().collect(Collectors.toList());
Please note that the hashCode-equals contract for list members should be respected for the filtering to work properly.
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What good technology podcasts are out there?
...en this is obviously just my opinion. My opinion bounces between .NET and Java and just geek. And obvious omissions would reflect my opinion on "good". (Ahem, DNR.)
The rest of these are easily found by doing a podcast search in iTunes, or just googling (I'll do some repeating here to condense th...
Find a pair of elements from an array whose sum equals a given number
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Implementation in Java : Using codaddict's algorithm (Maybe slightly different)
import java.util.HashMap;
public class ArrayPairSum {
public static void main(String[] args) {
int []a = {2,45,7,3,5,1,8,9};
printSumPairs(a,1...