Answer: Type cmd in Your Search Bar Then Press Enter and write this command. java hyphen version => java -version First write java hyphen version(java -version) then press enter. Now You can see which version you have installed Note: If …
Ans :- some features which are included in JAVA8 are as follows- 1.Lambda Expression. 2.Stream API 3.Default methods & Static Methods in Interface 4.Optional 5.Functional Interface 6.Method References 7.DATE and API 1.Lambda Expression :- Lambda expression is an Anonymous function, …
The Java ExecutorService is an interface which is present inside java.util.concurrent package. The ExecutorService interface is a subinterface of the Executor interface. It allows us to execute tasks asynchronously on threads. It allows us to submit tasks for execution. With …
Ans :- s.No Spring Spring Boot 1. Spring framework is widely used Java EE framework for building the applications. Spring boot Framework is widely used to develop Rest APIs 2. The primary feature of the Spring Framework is dependency injection. …
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“Nuage Laboratoire, when translated, reveals its meaning as ‘Cloud Lab,’ while ‘Test Lab’ can be equivalently expressed as ‘Laboratoire Test.’“ If you’ve ever navigated the intricate world of app testing, chances are you’ve encountered the powerhouse known as Firebase Test …
In Java, the equals method present inside Object class, and it is used to compare the equality of two objects. If our class doesn’t contain .equals() method then Object class .equals() method will be executed which is always meant for …
SOLUTION :- package p2; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; public class MapExample { public static void main(String[] args) { Map<Integer,String> map =new HashMap<>(); map.put(1, “David”); map.put(2, “Moksa”); map.put(3, “Poll”); map.put(4, “Iliana”); for(Entry<Integer, String> v1:map.entrySet()) { System.out.println(v1.getKey()+””+v1.getValue()); } } } …
Ans:- stream will perform the following operations:- 1.Intermediate operations2.Terminal operations 1.Intermediate operations:- the operations which are performed in b/w streams of objects are known as Intermediate operations. a. filter()b.map()c.sorted()d.distinct()e.peek() 2.Terminal operations:- the operations which are performed at the end of …
Nowadays, many of us, at times without apparent reason, find ourselves thinking negatively. While we may not intentionally choose negative thoughts, the atmosphere and the people around us often emit negative vibes. To maintain a positive mindset throughout the day, …
SOLUTION :- Test.java package p2 ; import java.util.ArrayList; import java.util.List; import java.util.stream.Collectors; public class Test { public static void main(String[] args) { List<Employee> list= new ArrayList<>(); list.add(new Employee(1, “James”, 70000)); list.add(new Employee(2,”David”,15000)); list.add(new Employee(3,”Iila”,5000)); List<Employee> list1=list.stream().filter(i->i.getSalary()>20000).collect(Collectors.toList()); // System.out.println(list1); for(Employee e:list1) …