Trending questions in Java

0 votes
1 answer

how to play sound in java?

 The following code will work fine. But I ...READ MORE

Jun 20, 2018 in Java by scarlett
 • 1,290 points • 1,632 views
0 votes
1 answer

How to get the name of the currently executing method?

Thread.currentThread().getStackTrace() will usually contain the method you’re ...READ MORE

Jul 5, 2018 in Java by Daisy
 • 8,140 points • 974 views
0 votes
1 answer

How to get a platform-dependent new line character in Java?

If you are using Java 1.5 or ...READ MORE

Jul 3, 2018 in Java by Akrati
 • 3,190 points • 1,057 views
0 votes
2 answers

How may I programmatically determine operating system in Java?

Use the following program public class Osname {        public ...READ MORE

Jul 6, 2018 in Java by Priyaj
 • 58,020 points • 880 views
0 votes
2 answers

How to get input from user using System.console()?

Scanner in = new Scanner(System.in); int i = ...READ MORE

Aug 2, 2018 in Java by Sushmita
 • 6,920 points • 1,252 views
+1 vote
3 answers

How to convert a List to an Array in Java?

Either: Foo[] array = list.toArray(new Foo[list.size()]); or: Foo[] array = ...READ MORE

Aug 7, 2018 in Java by Akrati
 • 3,190 points • 1,340 views
0 votes
1 answer

How to pad an integer with zeros on the left in Java?

Use java.lang.String.format() method. String.format("%05d", number ...READ MORE

May 31, 2018 in Java by Daisy
 • 8,140 points • 2,470 views
0 votes
1 answer

Measure time elapsed in Java?

This is also a way to work ...READ MORE

Jul 4, 2018 in Java by scarlett
 • 1,290 points • 1,022 views
0 votes
0 answers

How to populate a ListView using an ArrayList?

I want to populate the data coming ...READ MORE

Jun 30, 2018 in Java by misc.edu04
 • 1,450 points • 1,209 views
0 votes
3 answers

How to sort an array in java?

import java.util.Arrays; public class Sort { ...READ MORE

Aug 24, 2018 in Java by Parth
 • 4,640 points • 1,474 views
0 votes
1 answer

Is it possible to create a memory leak with Java

Here's a good way to create a memory ...READ MORE

May 31, 2018 in Java by Parth
 • 4,640 points • 2,443 views
0 votes
1 answer

NoClassDefFoundError in Java

Can’t tell you the exact reason as ...READ MORE

May 25, 2018 in Java by v.liyyah
 • 1,300 points • 2,638 views
0 votes
2 answers

I'm getting following error, while i'm running code in windows xp service pack 3 with JDK 6 version.

Till you send the code, I would ...READ MORE

May 16, 2018 in Java by Meci Matt
 • 9,460 points • 2,979 views
0 votes
3 answers

Convert date object to a String

We parse the full date to time ...READ MORE

Jul 31, 2018 in Java by samarth295
 • 2,220 points • 1,870 views
0 votes
1 answer

In Java, how to find out the min/max values from array of primitive data types?

import java.util.Arrays; import java.util.Collections; import org.apache.commons.lang.ArrayUtils; public class MinMaxValue { ...READ MORE

Jun 12, 2018 in Java by Daisy
 • 8,140 points • 1,821 views
0 votes
1 answer

How to get the Generic type of class at run time?

public class GenericClass<T> { ...READ MORE

Jul 2, 2018 in Java by Akrati
 • 3,190 points • 954 views
0 votes
2 answers

How to read a text file in Java?

You can use Scanner class to read ...READ MORE

Aug 9, 2018 in Java by Parth
 • 4,640 points • 1,338 views
0 votes
1 answer

How to convert s Stack trace to a String?

One can use the given method to ...READ MORE

Jun 25, 2018 in Java by sharth
 • 3,370 points • 1,244 views
0 votes
1 answer

What is the use of assert keyword in java?

Java assertion feature allows the developer to ...READ MORE

Jun 28, 2018 in Java by scarlett
 • 1,290 points • 1,042 views
+1 vote
1 answer

What is the difference between JavaScript and Java

This quote rightly explains that 2 totally ...READ MORE

Jun 29, 2018 in Java by Daisy
 • 8,140 points • 940 views
0 votes
1 answer

How to configure Android SDK for finding JDK

Actual SETUP: OS: Windows 8.1 JDK file: jdk-8u11-windows-x64.exe ADT file: ...READ MORE

Jun 29, 2018 in Java by Rishabh
 • 3,620 points • 980 views
0 votes
2 answers

Date format conversion in Java

Calendar cal = Calendar.getInstance(); cal.add(Calendar.DATE, 1); Date date = ...READ MORE

Aug 13, 2018 in Java by Sushmita
 • 6,920 points • 1,253 views
0 votes
1 answer

How to get the IP address of the machine using Java?

One approach is to use NetworkInterface.getNetworkInterfaces() to get all ...READ MORE

Jun 25, 2018 in Java by sharth
 • 3,370 points • 1,115 views
0 votes
1 answer

Which Java GUI framework we should refer?

If you are working on Desktop Application, ...READ MORE

Jun 19, 2018 in Java by Parth
 • 4,640 points • 1,365 views
0 votes
1 answer

Can a static reference be made to a non-static method

setLoanItem() isn't a static method, it's an instance ...READ MORE

Jun 26, 2018 in Java by samarth295
 • 2,220 points • 1,077 views
0 votes
2 answers

Store String inside a File using Java

We can use Apache Commons IO. It ...READ MORE

Jul 20, 2018 in Java by Sushmita
 • 6,920 points • 1,645 views
0 votes
1 answer

Number of lines in a file in Java

I found this an efficient way in counting ...READ MORE

Jul 4, 2018 in Java by scarlett
 • 1,290 points • 719 views
0 votes
1 answer

How to stop the Thread in Java?

Use a flag, which will indicate the ...READ MORE

Jun 11, 2018 in Java by Parth
 • 4,640 points • 1,682 views
0 votes
1 answer

Default Constructor in Java

Well, none of these is the default ...READ MORE

Jun 19, 2018 in Java by geek.erkami
 • 2,680 points • 1,316 views
0 votes
1 answer

Remotely debugging JVM using Java command line

In order to use JAVA_OPT you need ...READ MORE

Jun 19, 2018 in Java by 93.lynn
 • 1,600 points • 1,302 views
0 votes
1 answer

ThreadLocal variables usage in Java

public class Test { // ...READ MORE

Jun 30, 2018 in Java by code.reaper12
 • 3,500 points • 816 views
0 votes
1 answer

What are Daemon threads in Java?

A daemon thread is a thread that is doing ...READ MORE

Jun 29, 2018 in Java by Daisy
 • 8,140 points • 836 views
0 votes
1 answer

Generating an MD5 hash?

The MessageDigest class can provide you with an instance ...READ MORE

Jun 13, 2018 in Java by Rishabh
 • 3,620 points • 1,497 views
0 votes
1 answer

Continue Keyword in Java

continue is kind of like goto. Are you familiar ...READ MORE

Jul 3, 2018 in Java by Rishabh
 • 3,620 points • 581 views
0 votes
1 answer

Access restriction on class error

My guess is that you are trying ...READ MORE

Jun 21, 2018 in Java by Rishabh
 • 3,620 points • 1,103 views
0 votes
1 answer

How to read text files from the Classpath in Java?

InputStream in = this.getClass().getClassLoader().getResourceAsStream("TextFile.txt"); InputStream in = this.getClass().getResourceAsStream("/TextFile.txt"); package ...READ MORE

May 8, 2018 in Java by Akrati
 • 3,190 points • 3,001 views
0 votes
1 answer

Formatting Double Value in Java

An alternative is to use String.format: double[] arr = ...READ MORE

May 15, 2018 in Java by Rishabh
 • 3,620 points • 2,683 views
0 votes
1 answer

How can we use java property files?

You can refer the below code: Properties properties ...READ MORE

Jun 28, 2018 in Java by Akrati
 • 960 points • 789 views
0 votes
1 answer

How to getters and setters work in java

In Java, getter and setter are two ...READ MORE

Jun 1, 2018 in Java by Daisy
 • 8,140 points • 1,897 views
0 votes
2 answers

How to create a 2-D array in java?

int[][] multi = new int[5][]; multi[0] = new ...READ MORE

Jul 16, 2018 in Java by Daisy
 • 8,140 points • 1,913 views
0 votes
1 answer

How to fire and handle HTTP requests

There are 2 options you can go ...READ MORE

Jun 13, 2018 in Java by Rishabh
 • 3,620 points • 1,321 views
0 votes
1 answer

what do you mean by static block in java?

Static block is used for initializing the ...READ MORE

Jun 18, 2018 in Java by scarlett
 • 1,290 points • 1,092 views
0 votes
1 answer

To use JavaMail API for sending mails in Android without using the default/built-in App

ADD 3 jars found in the following ...READ MORE

Jun 6, 2018 in Java by sridhar
 • 160 points • 1,605 views
0 votes
1 answer

Is Java “pass-by-reference” or “pass-by-value”?

Think of reference parameters as being aliases ...READ MORE

Jun 8, 2018 in Java by Rishabh
 • 3,620 points • 1,495 views
0 votes
2 answers

How to convert array into list in Java?

Another workaround if you use apache commons-lang: int[] ...READ MORE

Aug 10, 2018 in Java by samarth295
 • 2,220 points • 1,085 views
0 votes
1 answer

Exception coming "android.os.NetworkOnMainThreadException"

This exception is thrown when an application ...READ MORE

Jun 6, 2018 in Java by poorvi
 • 160 points • 1,574 views
0 votes
1 answer

using comparator for sorting in java

You've got two problems: 1) You're using Collections.sort (which takes ...READ MORE

Jul 6, 2018 in Java by samarth295
 • 2,220 points • 924 views
0 votes
1 answer

What issues should be considered when we are overriding equals and hashCode in Java?

equals() must define an equivalent relation and ...READ MORE

Jun 21, 2018 in Java by Sushmita
 • 6,920 points • 888 views
0 votes
1 answer

What do you mean by object serialization ?

To serialize an object means to convert its state ...READ MORE

Jun 14, 2018 in Java by scarlett
 • 1,290 points • 1,182 views
+1 vote
2 answers

How to generate random integers within specific range in Java?

You can achieve that concisely in Java: Random ...READ MORE

Jul 25, 2018 in Java by samarth295
 • 2,220 points • 1,555 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.