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) …
Ans :- stream is an interface from java.util.stream package which supports stream of objects,which means continuous flow of objects. Stream<T> will perform the following operations:- a. Intermediate operations b.Terminal operations => The stream API is needed for several reasons:- 1.Functional …
Ans :- Yes, you can use lambda expressions in java for any interface that has only one abstract method. Such interfaces are known as functional interfaces, and lambda expressions provide a concise way to implement the abstract method of a …
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The Chief Minister of Madhya Pradesh is Mohan Yadav. Ending days of suspense, the Bharatiya Janata Party (BJP) on Monday chose Mohan Yadav, a three-time MLA from the temple city of Ujjain, as the new Chief Minister of Madhya Pradesh. …
Ans :- Open sts ->File -> new ->Spring boot starter project->Add dependency -> Finish
Ans :- Functional interfaces are those interfaces which can have only one abstract method . It can have any number of default and static methods. functional interfaces already present in javaLib such asexample:Runnable,Callable,Supplier,Consumer,Bi- Consumer,Predicate, Bi -Predicate
You A hash map, also known as a hash table, is a data structure that uses a hash function to map keys to indexes, allowing for efficient data retrieval. One of the reasons hash maps typically don’t maintain order is …
Ans :- Primitive data types are byte, short, int , long, float, double, character , Boolean