Java Program to find common elements from two arrays

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[nagarajus]

We can get both union and intersection with two for loops:

String arr1[]= {"java", "interview", "questions", "for", "experienced"};
String arr2[]= {"java", "fresher", "interview", "questions"};

Set<String> set=new HashSet<>();
for(int i=0;i<arr1.length;i++) {
set.add(arr1[i]);
}
System.out.println("Array Intersection is: ");
for(int i=0;i<arr2.length;i++) {
if(set.contains(arr2[i])) {
");
}
else {
set.add(arr2[i]);
}
}
System.out.println("\nArray Union is: "+set);


Output:
Array Intersection is:
java interview questions
Array Union is: [fresher, java, questions, for, interview, experienced]

[janagamasainath]

using java 8 one way to find the common String

String[] a = {"java", "python", "hibernate", "spring"};
String[] b= {"core", "java", "spring", "microservices"};
List<String> a1 = Arrays.asList(a);
List<String> b1 = Arrays.asList(b);
List<String> collect =

[aw]

Sir, it is been a long time we have been waiting for the video. Please help us in getting the job

[Amarsri]

String[] s1 = {"java", "python", "aws"};
String[] s2 = {"java", "perl", "aws"};
Arrays.stream(s2)

.forEach(str -> System.out.print(str + " "));
output: java aws

[SahanasAllinOneChannel]

String[] s1 = {"java", "python", "aws"};
String[] s2 = {"java", "perl", "aws"};

for(String s:Arrays.asList(s1)) {
{
System.out.println(s);
}
}

[sushilroy]

Bhai new interview video waiting. It’s help to learn

[raviravi-ggck]

Alternate way using java 8:

String[] fruit1 = {"apple", "mango", "banana", "papaya", "apple", "mango", "banana"};

String[] fruit2 = {"apple", "grape", "banana", "orange"};

Stream<String> f1 = Arrays.stream(fruit1);
Stream<String> f2 = Arrays.stream(fruit2);


Map<String, Long> groupString = list.stream().collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));

groupString .entrySet().stream().filter(e -> e.getValue()>1).map(e ->

[ramanareddysagili]

Immediate question what is the time complexity from interviewer 😮

[girishrp]

Why did stop uploading new videos since one year. Please upload other product based companies java interview