How to Generate Random Numbers in Java between Range - Example Tutorial

In software development and programming world we often needs to generate random numbers, some time random integers in a range e.g. 1 to 100 ...

How to convert List of Integers to int array in Java - Coding Tips

So, you have a List of Integers and you want to convert them into int array? Yes you read it write, not on Integer array but int array . Th...

Java Mistake 3 - Using "==" instead of equals() to compare Objects in Java

In this part of Java programming mistakes, we will take a look on another common pattern, where programmers tend to use "==" oper...

How to Find Runtime of a Process in UNIX and Linux

So you checked your process is running in Linux operating system and it's running find, by using ps command. But now you want to know, ...

What is java.library.path , How to set in Eclipse IDE

java.library.path is a System property, which is used by Java programming language, mostly JVM, to search native libraries, required by pro...

What is String args[] in Java main method

What is String args is used for or Why we use String arg[] in main method is a common doubt among Java beginners. First thing newbies expose...

How to Convert InputStream to Byte Array in Java - 2 Examples

Sometimes we need to convert InputStream to byte array in Java, or you can say reading InputStream as byte array, In order to pass output t...

How to Convert JSON array to String array in Java - GSon example

JSON array is a ordered collection of values, which are enclosed within brackets e.g. [] and separated by comma. In this Java tutorial we w...