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Java 2022-02-02 22:20:15
What is IS-A relationship in java
‘Has a ‘ relationship is also known as “composition or Aggregation”. As in inheritance we have ‘extends’ keyword we don’t have any keyword to implement ‘Has a’ relationship in java. The main advantag... Add solution -
Other 2022-02-02 20:31:30
parallel execution in testng
I achieve it with xml file. In TestNG is quite simple to do parallel testing. Let's say we have our test cases in different classes or packages. First I create TestNG xml runner. Then I create suites or test tags in the xml runner. In these tag, I point ... Add solution -
Java 2022-02-02 18:35:01
what does ? means in java
if (you.mean.equals("java programming language")) { System.out.println("Java is a class-based, object-oriented programming language"); } else if (you.mean.equals("java coffee")) { System.out.print("the term java come... Add solution -
Other 2022-02-02 10:36:02
Duplicate entry Exception
import java.lang.Exception try: #Your insert statement here except Exception, e: # Catches any python errors except java.lang.Exception, e: #SQL Integrity errors come as Java errors so you need java.lang.Exception if "Duplicate entry&quo... Add solution -
Java 2022-02-02 07:00:22
How to remove element from arraylist in java
// java program on ArrayList remove(int index) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveIndex { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution -
Other 2022-02-01 08:16:30
run jar file with different jre
First, go to the location of the java installation file. By default, this is: C:\Program Files\Java\... Open the folder of the java version you want and go to the bin folder. Copy the directory your at then go to your command line. Syntax: (%PATH% is pat... Add solution