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Check if a path represents a file or a folder
...File = file.isFile(); // Check if it's a regular file
See File Javadoc
Or you can use the NIO class Files and check things like this:
Path file = new File(path).toPath();
boolean exists = Files.exists(file); // Check if the file exists
boolean isDirectory = Files.isDirec...
Detect enter press in JTextField
...ble to detect when someone presses Enter while typing in a JTextField in java? Without having to create a button and set it as the default.
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
Can one develop an entire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
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converting Java bitmap to byte array
When I look at the buffer after the call to copyPixelsToBuffer the bytes are all 0... The bitmap returned from the camera is immutable... but that shouldn't matter since it's doing a copy.
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Adding two Java 8 streams, or an extra element to a stream
...bly of little or no help whatsoever, but I did a forensics analysis of the Java Lambda Mailing list to see if I could find the cause of this design. This is what I found out.
In the beginning there was an instance method for Stream.concat(Stream)
In the mailing list I can clearly see the method wa...
Normalization in DOM parsing with java - how does it work?
...ackoverflow.com%2fquestions%2f13786607%2fnormalization-in-dom-parsing-with-java-how-does-it-work%23new-answer', 'question_page');
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Date format Mapping to JSON Jackson
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Is it just as easy to use Java 8 LocalDateTime or ZonedDateTime instead of Date? Since Date is basically deprecated (or at least many of its methods), I would like to use those alternatives.
– houcros
Nov 24 '16 ...
Java: Detect duplicates in ArrayList?
.../false) whether an ArrayList contains more than one of the same element in Java?
16 Answers
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Is it good practice to make the constructor throw an exception? [duplicate]
... a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that matches the exceptional condition that has occurred. If you throw Exception it is difficult for the caller to separate this exceptio...
How to change fontFamily of TextView in Android
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Here is the parser (based off FontListParser):
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.x...