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How to get 0-padded binary representation of an integer in java?
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There is no binary conversion built into the java.util.Formatter, I would advise you to either use String.replace to replace space character with zeros, as in:
String.format("%16s", Integer.toBinaryString(1)).replace(" ", "0")
Or implement your own logic to convert i...
IDEA: javac: source release 1.7 requires target release 1.7
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@Patrick, your pom.xml java compiler plug-in configuration may specify Java version that will override this setting next time you make changes to the pom.xml (if automatic reimport is enabled) or reimport the project manually.
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Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
... a bit weak in that area. I expect that you will be able to translate this Java code without too much trouble though.
Graph.java:
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;
public class Graph {
private M...
Java: How to set Precision for double value? [duplicate]
...or double values DecimalFormat is good technique. To use this class import java.text.DecimalFormat and create object of it for example
double no=12.786;
DecimalFormat dec = new DecimalFormat("#0.00");
System.out.println(dec.format(no));
So it will print two digits after decimal point here it wil...
How to install Hibernate Tools in Eclipse?
...r you enter the site, you will find "Hibernate Tools" under "JBoss Web and Java EE Development" / "JBoss Data Services"
– thedrs
Jun 19 '13 at 8:39
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Is it better to reuse a StringBuilder in a loop?
...antiation was the bottleneck, comment it.
Three runs with this answer:
$ java ScratchPad
1567
$ java ScratchPad
1569
$ java ScratchPad
1570
Three runs with the other answer:
$ java ScratchPad2
1663
2231
$ java ScratchPad2
1656
2233
$ java ScratchPad2
1658
2242
Although not significant, settin...
Eclipse: The declared package does not match the expected package
... me, I'll share how I solved this problem.
It turns out that I opened the java file under the 'src' before declaring it a source directory.
After right clicking on the 'src' directory in eclipse, selecting 'build path', and then 'Use as Source Folder'
Close and reopen the already opened java file...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...d pre-processor features of the compiler. It is possible to use C++, C# or Java compiler. Any ideas???
13 Answers
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equals vs Arrays.equals in Java
When comparing arrays in Java, are there any differences between the following 2 statements?
8 Answers
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Is D a credible alternative to Java and C++? [closed]
Is the D language a credible alternative to Java and C++? What will it take to become a credible alternative? Should I bother learning it? Does it deserve evangelizing?
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