java-programming/javaUpdates/src/stream/MapFunctionn.java at master · 9146887137/java-programming · GitHub

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package stream;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.Optional;

import java.util.stream.Collectors;

public class MapFunctionn {

public static void main(String[] args) {

List<Integer> l=Arrays.asList(56,3,98,42,9,2,89,5,45,9,0,5,9);

List<Integer> list1=l.stream().distinct().collect(Collectors.toList()); //find unique element from stream

System.out.println(list1);

List<Integer> list2=l.stream().dropWhile(num->num%2==0).collect(Collectors.toList());

System.out.println(list2);

List<Integer> list3=l.stream().filter(num->num>=70).collect(Collectors.toList());

System.out.println(list3);

Optional<Integer>max=l.stream().max((n1,n2)->n1>n2?1:n1<n2?-1:0);

System.out.println(max.get());

}

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