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What does a tilde in angle brackets mean when creating a Java generic class?
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Just for personal clarification - IntelliJ produces Java source files with this notation, iaw, source files with illegal Java content??? Or is this just the view of the source and the saved file is correct?
– Andreas Dolk
Feb 3 '11 at 15:...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...tomized by the specific
configuration of your Workbench.
With only the java developer tools (JDT) installed the Project Explorer nearly looks and behaves for java projects as the Package Explorer (including refactoring and other source code operations in the context menu). But Project Explorer i...
Why charset names are not constants?
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Two years later, and Java 7's StandardCharsets now defines constants for the 6 standard charsets.
If you are stuck on Java 5/6, you can use Guava's Charsets constants, as suggested by Kevin Bourrillion and Jon Skeet.
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Why is January month 0 in Java Calendar?
In java.util.Calendar , January is defined as month 0, not month 1. Is there any specific reason to that ?
16 Answers
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Reading a simple text file
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try this,
package example.txtRead;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.L...
Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
... success of which is indicated by the boolean return value of the method. Java does not have an equivalent to the out parameter, thus the need for the if logic shown in this answer. msdn.microsoft.com/en-us/library/f02979c7(v=vs.110).aspx
– Peter Howe
Nov 24 ...
Cleanest way to toggle a boolean variable in Java?
Is there a better way to negate a boolean in Java than a simple if-else?
9 Answers
9
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What is object serialization?
...rm and libraries.I really want to know the format.
– JAVA
Aug 31 '14 at 19:52
1
Is it applicable ...
Java List.add() UnsupportedOperationException
...rays.asList(membersArray) is one of that. You need to insert the record in java.util.ArrayList or use the below approach to convert into ArrayList.
With the minimal change in your code, you can do below to convert a list to ArrayList. The first solution is having a minimum change in your solution, ...
Get domain name from given url
...It should not include 'www' part). Url can contain http/https. Here is the java code that I wrote. Though It seems to work fine, is there any better approach or are there some edge cases, that could fail.
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