questions/java
In Java 6 and before versions, we ...READ MORE
Java 8 Path sourcepath = Paths.get("C:\\data\\temp\\mydir"); ...READ MORE
import java.util.List; import java.util.ArrayList; import java.util.Random; public class A ...READ MORE
System.arraycopy is the most efficient way, but ...READ MORE
You could probably check out Google's Gson: ...READ MORE
private static class SomeContainer<E> { ...READ MORE
Use java.util.Arrays: String res = Arrays.toString(array); System. ...READ MORE
a multidimensional array can define an array ...READ MORE
If you don’t want empty lines: String.split("[\\r\\n]+") READ MORE
Launch4j is a cross-platform tool for wrapping ...READ MORE
use input.nextLine(); after your nextInt() function for example:- input.nextInt(); ...READ MORE
You can Sort using java 8 yourList.sort(Comparator.comparing(Classname::getName)); or yourList.stream().forEach(a -> ...READ MORE
Check this...Java Enum in details READ MORE
Firstly I would like to give credit ...READ MORE
I'm using JSON-Java to build my JSON object: JSONObject json ...READ MORE
You can use: Object instance = new SomeClass(); instance.getClass().getName(); ...READ MORE
Run the JVM with -XX:MaxHeapSize=512m (or any big number ...READ MORE
If you have downloaded the 64 bit ...READ MORE
If you are using JPanels, then are ...READ MORE
You should check whether the client program is ...READ MORE
Here is how you can increase the ...READ MORE
public class Test { ...READ MORE
You can use string.indexOf('s'). If the 's' is present in string, ...READ MORE
--- To set java path --- There are ...READ MORE
From Java 1.5 you can use the String.format method. ...READ MORE
super() is used to call immediate parent. super() can be ...READ MORE
public static String byteArrayToHex(byte[] a) { ...READ MORE
Scanner in = new Scanner(System.in); int i = ...READ MORE
String string = "Today's weather"; String[] arrayOfString = ...READ MORE
Just use lib/* not lib/*.jar That's the ...READ MORE
public String getPostcode(Person person) { ...READ MORE
class Program { int count ...READ MORE
stackoverflow error – StackOverflow Error in Java. This error is thrown to ...READ MORE
Try this: String[] strArray = arrayList.toArray(new Str ...READ MORE
You can use ArrayUtils class remove method which ...READ MORE
Use the constructor overload which takes a Comparator<? ...READ MORE
You can use java.util.Random class. int myNumber = ...READ MORE
NoClassDefFoundError means that the class is present ...READ MORE
Java has "static nested classes", but they ...READ MORE
Till you send the code, I would ...READ MORE
Assuming TreeMap is not good for you ...READ MORE
as first tip you cannot assign value ...READ MORE
public class Cons { public static Cons ...READ MORE
The best possible way of conversion between byte[] and String is to ...READ MORE
Binary arithmetic operations on char and byte ...READ MORE
java.time Package The new java.time.package in Java 8 incorporates ...READ MORE
You could use recursion to do this. Try ...READ MORE
double d = 2.34568; DecimalFormat f = new ...READ MORE
A simpler way to wait is to ...READ MORE
ArrayList is what you want. LinkedList is almost always a ...READ MORE
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