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
“Today, we will talk about the mindset of freshers. One of the most powerful aspects is that there is nothing to lose for freshers. At the beginning stage, freshers may not be sure whether something is possible or not. They …
package mv; import java.util.Arrays;import java.util.stream.Collectors;import java.util.*;public class GreaterFive { }
SOLUTION:- package v1; import java.util.*; import java.util.Arrays; public class SumOfIntegerUsingForLoop { }
SOLUTION:- import java.util.Arrays;import java.util.List; public class SumOfOddAndEven { public static void main(String[] args) { Integer[] number= {1,2,3,4,5,6,7,8,9,10}; List<Integer> list=Arrays.asList(number); // Even Nomber int sumOfEven=list.stream().filter(i->i%2==0).mapToInt(i->i).sum(); System.out.println(“Sum of Even numbers:”+sumOfEven); // Odd Number int sumOfOdd=list.stream().filter(i->i%2!=0).mapToInt(i->i).sum(); System.out.println(“Sum of Odd numbers:”+sumOfOdd); }}
Solution:- User.java package v1; public class User { } ************************************************************************* Test.java package v1; import java.util.ArrayList;import java.util.List; public class Test { } *************************************************************************