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Should methods in a Java interface be declared with or without a public access modifier?
Should methods in a Java interface be declared with or without the public access modifier?
12 Answers
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Struct like objects in Java
Is it completely against the Java way to create struct like objects?
20 Answers
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Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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How to read json file into java with simple JSON library
I want to read this JSON file with java using json simple library.
13 Answers
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...rtificate by adding -v option.
use the following code:-
C:\Program Files\Java\jdk1.7.0\bin>keytool -v -list -alias
androiddebugkey -keystore debug.keystore -storepass android -keypass android
it will output MD5 certificate as well.
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How to convert List to int[] in Java? [duplicate]
This is similar to this question:
How to convert int[] to Integer[] in Java?
16 Answers
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Spark java.lang.OutOfMemoryError: Java heap space
...n google myself easier) The following is also indicative of this problem:
java.lang.OutOfMemoryError : GC overhead limit exceeded
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What are the rules for evaluation order in Java?
I am reading some Java text and got the following code:
5 Answers
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
How to read a text-file resource into Java unit test? [duplicate]
...ach case.
Quick way in JSE 6 - Simple & no 3rd party library!
import java.io.File;
public class FooTest {
@Test public void readXMLToString() throws Exception {
java.net.URL url = MyClass.class.getResource("test/resources/abc.xml");
//Z means: "The end of the input but for th...