Java Command Line Arguments

Java Command Line Arguments On the off chance that any information worth is gone through summon brief at the season of running of system is known as order line contention as a matter of course every charge line contention will be dealt with as string quality and those are put away in string cluster of principle() strategy.  Syntax for Compile…

StringBuffer To File Java Example

          StringBuffer To File Java Example           This example shows how to write contents of StringBuffer to file using BufferedWriter  and FileWriter Java classes.   */ import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class JavaStringBufferToFileExample { public static void main(String[] args) throws IOException { //create StringBuffer object StringBuffer sbf =…

Arrays in Java

[ad_1] How are Arrays in Java different from C/C++? An array is a container object that holds a fixed number of values of a single data type. This is different from C/C++ where array name represents an address. Length of an array is fixed when it is created (Note that we are talking about simple arrays here, not dynamic arrays…

File Class in Java

[ad_1] File Class in Java The File class is Java’s representation of a file or directory path name. Because file and directory names have different formats on different platforms, a simple string is not adequate to name them. The File class contains several methods for working with the path name, deleting and renaming files, creating new directories, listing the contents of…

Apache Spark RDD

[ad_1] Actions Transformation: RDD can be transformed from one form to another form. Map, filter, combineByKey etc. are transformation operation which create other RDD. If you have multiple operations to be performed on the same data, you can store that data explicitly in the memory by calling cache() or persist() functions. Actions: Actions returns final result. Like first, collect, reduce,…

java.lang.Character class – methods

[ad_1] lang.Character methods java.lang.Character class – methods | Set 1 Following methods of Character class are discussed here : toUpperCase() : java.lang.toUpperCase(char arg) method converts given character in argument to its Upper case based on Unicode values. Syntax : public static char toUpperCase(char arg) Parameters : arg : character to be converted to Upper case Return : Upper case character…