Arushi has Published 199 Answers

How to count the number of lines in a text file using Java?

Arushi
Arushi
Published on 04-Jan-2018 16:00:09
To count the number of lines in a fileInstantiate the FileInputStream class by passing an object of the required file as parameter to its constructor.Read the contents of the file to a bytearray using the read() method of FileInputStream class.Instantiate a String class by passing the byte array obtained, as a parameter its ... Read More

How to create a string from a Java Array?

Arushi
Arushi
Published on 04-Jan-2018 15:39:18
You can convert an array of Strings to a single array using the collect() method.ExampleLive Demoimport java.util.Arrays; import java.util.stream.Collectors; public class CreatngStringFromArray {    public static void main(String args[]) {       String [] myArray = {"Welcome", "to", "Tutorialspoint"};       String str = Arrays.stream(myArray).collect(Collectors.joining(" ")); ... Read More

How to find the vowels in a given string using Java?

Arushi
Arushi
Published on 04-Jan-2018 14:28:57
You can read a character in a String using the charAt() method. To find the vowels in a given String you need to compare every character in it with the vowel letters.ExampleLive Demopublic class FindingVowels {    public static void main(String args[]) {       String str = ... Read More

How do I create a Java string from the contents of a file?

Arushi
Arushi
Published on 04-Jan-2018 12:53:08
You can read contents of a file using the read() method of the class FileInputStream. To this method you need to pass a byte array as a parameter to which the contents of the file are to be read.To convert a byte array to Sting simply pass the byte array ... Read More

What is the meaning of immutable in term of String in java?

Arushi
Arushi
Published on 03-Jan-2018 17:39:03
In Java, immutable objects are those whose data can’t be changed or modified (once modified). String class is immutable i.e. once we create a String object its data cannot be modified.

Can access modifiers be used for local variables in Java?

Arushi
Arushi
Published on 03-Jan-2018 17:08:53
Yes, a local variable can be public, private, protected or default.

What is the scope of default access modifier in Java?

Arushi
Arushi
Published on 03-Jan-2018 15:28:04
Default access modifier means we do not explicitly declare an access modifier for a class, field, method, etc. The scope of the default access modifier lies within the package. When a class or its members associated with default access modifier then. Example Variables and methods can be declared without any ... Read More

Using SAP BAPI API’s to extract information from client system

Arushi
Arushi
Published on 13-Dec-2017 16:46:44
BAPI is an abbreviation for Business Application Programming Interface.BAPI’s are proprietary interfaces of SAP. These provide standard access to SAP solution with all the semantic checks already present. Using BAPI interfaces, we can perform both synchronous and asynchronous processing of data.

Inserting an Array to a table in SAP HANA database

Arushi
Arushi
Published on 08-Dec-2017 13:22:25
As far as I know, there is no direct way of inserting an Array using SQL query. You will first have to combine the columns (EMPL_Id + Skill Id) using the code and then do a bulk insert to the database.
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