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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 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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							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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							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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							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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							Draw a perfect circle from user's touch
					...ion mechanism based on that idea. See working demo below (Sorry, I'm using Java as the fastest way to provide this fast and a bit dirty example):
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Head...				
				
				
							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...				
				
				
							Calculating days between two dates with Java
					I want a Java program that calculates days between two dates.
                    
                    
                        
                            
                                
                                        11 Answers
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							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...				
				
				
							Java Runtime.getRuntime(): getting output from executing a command line program
					I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns.
                    
                    
                        
                            
                                
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