Ensure File Availability: How to Check if a File Exists in Java Easily!
Checking if a file exists is a fundamental part of many Java programs, especially those that involve … Read more
Lynxbee topic
JAVA Programs
Creating JSON Arrays in Java: Examples with org.json, Gson, and Jackson
Java is a versatile and powerful programming language commonly used for developing various applications. One of the … Read more
How to Switch Between Multiple Java Versions On Ubuntu Linux ?
If you have installed multiple JDK on ubuntu and sometimes you might need to change the version … Read more
How to iterate through List in Java ?
Lists are an ordered collection of elements in Java. Conceptually those are similar to Linked list in … Read more
Byte Array To Integer And Integer to Byte Array Conversion using JAVA
If you are working in some network related data transfer like sending some commands over socket, then … Read more
Check if Filepath is Normal File or Directory in JAVA
In our previous post, we seen how to identify if a file is present or Not using … Read more
Generate random number between two numbers in Java
This post demos how you can get the random number between two numbers in a simple java … Read more
Use Single Instance Class / Singleton class in Android / Java
The single instance classes are mostly used when you don’t know how to create a object of … Read more
Convert Byte Array to Hex using Java
The post briefs above how you can convert byte Array to Hex values and print those on … Read more
Call C from Java with JNI on Linux
This modern JNI example replaces removed `javah` instructions with `javac -h`, derives the active JDK include path, compiles position-independent C into a shared library, and verifies both the exported symbol and Java-to-native call.
Install Java using apt-get command on Ubuntu
Installing JAVA on ubuntu can be done using following easiest command. for Ubuntu 20.04, this command installs … Read more
Socket Programming in JAVA – TCP client and server
As we have already seen, how to write UDP socket programs in JAVA, now we will write … Read more
Solved : java.net.BindException: Address already in use (Bind failed)
If you are working with TCP / UDP sockets in JAVA, there is higher chances your might … Read more