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PayPal Interview Question for Quality Assurance Engineers


Country: United States
Interview Type: Phone Interview
More Questions from This Interview



Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.Set;
import java.util.List;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Iterator;

public class test{
    
    public static Map<String,List<String>> mapping(Map<String,String> map){
        Map<String,List<String>> hm=new HashMap<>();
        List<String> listRob=new ArrayList<>();
        List<String> listJohn=new ArrayList<>();
        Set<String> set=map.keySet();
        String val,temp;
        Iterator<String> it=set.iterator();
        while(it.hasNext()){
            val=it.next();
            temp=map.get(val);
            if(temp=="Rob"){
                listRob.add(val);
                hm.put("Rob",listRob);
            }
            if(temp=="John"){
                listJohn.add(val);
                hm.put("John",listJohn);
            }
        }
        return hm;
    }
    
    public static void main(String[] args){
        Map<String,String> map=new HashMap<>();
        map.put("Java","John");
        map.put("C#","Rob");
        map.put("Ruby","John");
        map.put("Rails","Rob");
        mapping(map).forEach((key,value)->System.out.println(key+"->"+value));
    }
}

- TurboMap June 26, 2018 | Flag Reply
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0
of 0 vote

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class T1 {

public static void main(String[] args) {
Map <String, String> book = new HashMap();
Map <String, List<String>> result = new HashMap();

book.put("Java", "John");
book.put("C#", "Rob");
book.put("Ruby", "John");
book.put("Rails", "Rob");

result.put("John", new ArrayList<String>());
result.put("Rob", new ArrayList<String>());



for (Map.Entry<String, String> entry : book.entrySet()) {


if(entry.getValue().equals("John")) {

result.get("John").add(entry.getKey());
}

if(entry.getValue().equals("Rob")) {

result.get("Rob").add(entry.getKey());
}

}

System.out.println(" Map Elements");
System.out.print("\t" + result);

}

}

- Thayse Alencar June 27, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

from collections import defaultdict

d={'Java':'John','C#':'Rob','Ruby':'John','Python':'John'}
newdict=defaultdict(list)

for i in d:
newdict[d[i]].append(i)
print newdict.items()

- Shweta Aggarwal July 18, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.*;
public class PaypalAssignment {

public static void main(String[] args)
{
// TODO Auto-generated method stub

Map<String,String> bookMap=new HashMap<String,String>();
Map<String,ArrayList> newArrayMap=new HashMap<String,ArrayList>();
HashSet set=new HashSet();
ArrayList list=new ArrayList();
ArrayList list2=new ArrayList();
String key;

bookMap.put("C#", "John");
bookMap.put("Java", "Rob");
bookMap.put("Ruby", "John");
bookMap.put("JScript", "Rob");

for(Map.Entry<String,String> entry:bookMap.entrySet())
{
if(!set.contains(entry.getValue()))
{
set.add(entry.getValue());
}
switch(entry.getValue())
{
case "John":
list.add(entry.getKey());
newArrayMap.put(entry.getValue(), list);
break;
case "Rob":
list2.add(entry.getKey());
newArrayMap.put(entry.getValue(), list2);
break;
default:
break;
}
}

Set set1=newArrayMap.entrySet();
Iterator i=set1.iterator();

while(i.hasNext())
{
System.out.println(i.next());
}

}
}

- Manoj Kumar M July 19, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.*;
public class PaypalAssignment {

public static void main(String[] args)
{
// TODO Auto-generated method stub

Map<String,String> bookMap=new HashMap<String,String>();
Map<String,ArrayList> newArrayMap=new HashMap<String,ArrayList>();
HashSet set=new HashSet();
ArrayList list=new ArrayList();
ArrayList list2=new ArrayList();
String key;

bookMap.put("C#", "John");
bookMap.put("Java", "Rob");
bookMap.put("Ruby", "John");
bookMap.put("JScript", "Rob");

for(Map.Entry<String,String> entry:bookMap.entrySet())
{
if(!set.contains(entry.getValue()))
{
set.add(entry.getValue());
}
switch(entry.getValue())
{
case "John":
list.add(entry.getKey());
newArrayMap.put(entry.getValue(), list);
break;
case "Rob":
list2.add(entry.getKey());
newArrayMap.put(entry.getValue(), list2);
break;
default:
break;
}
}

Set set1=newArrayMap.entrySet();
Iterator i=set1.iterator();

while(i.hasNext())
{
System.out.println(i.next());
}
}
}

- Manoj Kumar M July 19, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

package dataStrucures.practicals;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

public class PaypalAssignment {
public static void main(String a[]){
Map<String,String> map=new ConcurrentHashMap<>();
map.put("Java","John");
map.put("C#","Rob");
map.put("Ruby","John");
map.put("Rails","Rob");
map.put("Junit","John");
map.put("python","Rob");
map.put("C++","John");
map.put(".Net","Rob");
mapping(map).forEach((key,Value)-> System.out.println(key+":"+Value));
}

public static Map<String, List> mapping(Map<String, String> booksMap){
Map<String, List> finalMap= new HashMap();
Set<String> keys = booksMap.keySet();
Iterator<String> it=keys.iterator();
while(it.hasNext()){
String key_value = it.next();
String temp_value = booksMap.get(key_value);
List<String> values = new ArrayList<String>();
for (Map.Entry<String, String> entry : booksMap.entrySet()) {
if(entry.getValue().equals(temp_value)) {
values.add(entry.getKey());

}

}

finalMap.put(temp_value, values);

}

return finalMap;
}


}

- Suman August 05, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

public class Hashmap {
@SuppressWarnings("unchecked")
public static void main(String[] args) {
HashMap m = new HashMap<String, String>();
HashMap<String, ArrayList> resultMap = new HashMap<String, ArrayList>();

m.put("Ruby", "Jhon");
m.put("Java", "Jhon");
m.put("C#", "Rob");
m.put("Python", "Rob");

m.forEach((key, value) -> {
if (!resultMap.containsKey(value)) {
ArrayList l = new ArrayList<>();
l.add(key);
resultMap.put((String) value, l);
} else {
resultMap.get(value).add(key);
}

});

resultMap.forEach((i,k)->{System.out.println(i+","+k);});

}
}

- Rahil August 15, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

public class Hashmap {
	@SuppressWarnings("unchecked")
	public static void main(String[] args) {
		HashMap m = new HashMap<String, String>();
		HashMap<String, ArrayList> resultMap = new HashMap<String, ArrayList>();

		m.put("Ruby", "Jhon");
		m.put("Java", "Jhon");
		m.put("C#", "Rob");
		m.put("Python", "Rob");

		m.forEach((key, value) -> {
			if (!resultMap.containsKey(value)) {
				ArrayList l = new ArrayList<>();
				l.add(key);
				resultMap.put((String) value, l);
			} else {
				resultMap.get(value).add(key);
			}

		});
		
		resultMap.forEach((i,k)->{System.out.println(i+","+k);});

	}
}

- Rahil August 15, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

public class Hashmap {
	@SuppressWarnings("unchecked")
	public static void main(String[] args) {
		HashMap m = new HashMap<String, String>();
		HashMap<String, ArrayList> resultMap = new HashMap<String, ArrayList>();

		m.put("Ruby", "Jhon");
		m.put("Java", "Jhon");
		m.put("C#", "Rob");
		m.put("Python", "Rob");

		m.forEach((key, value) -> {
			if (!resultMap.containsKey(value)) {
				ArrayList l = new ArrayList<>();
				l.add(key);
				resultMap.put((String) value, l);
			} else {
				resultMap.get(value).add(key);
			}

		});
		
		resultMap.forEach((i,k)->{System.out.println(i+","+k);});

	}
}

- Rahil August 15, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

public class Hashmap {
@SuppressWarnings("unchecked")
public static void main(String[] args) {
HashMap m = new HashMap<String, String>();
HashMap<String, ArrayList> resultMap = new HashMap<String, ArrayList>();

m.put("Ruby", "Jhon");
m.put("Java", "Jhon");
m.put("C#", "Rob");
m.put("Python", "Rob");

m.forEach((key, value) -> {
if (!resultMap.containsKey(value)) {
ArrayList l = new ArrayList<>();
l.add(key);
resultMap.put((String) value, l);
} else {
resultMap.get(value).add(key);
}

});

resultMap.forEach((i,k)->{System.out.println(i+","+k);});

}
}

- Rahil August 15, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

mybook={}

print("Enter the no of keys u want to enter")
n=int(input())

for i in range(0,n):
    key=input("Enter the key")
    value=input("Enter the value")

    mybook[key]=value

print(mybook)

authors={}
key_list=[]
used=[]

key_list=mybook.keys()
for i in key_list:
    v=mybook.get(i)
    if v not in used:
        used.append(v)
        authors.setdefault(v,[])
    authors[v].append(i)
    

print(authors)

- RIJU MUKHERJEE September 13, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

mybook={}

print("Enter the no of keys u want to enter")
n=int(input())

for i in range(0,n):
    key=input("Enter the key")
    value=input("Enter the value")

    mybook[key]=value

print(mybook)

authors={}
key_list=[]
used=[]

key_list=mybook.keys()
for i in key_list:
    v=mybook.get(i)
    if v not in used:
        used.append(v)
        authors.setdefault(v,[])
    authors[v].append(i)
    

print(authors)

- RIJU MUKHERJEE September 13, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

mybook={}

print("Enter the no of keys u want to enter")
n=int(input())

for i in range(0,n):
key=input("Enter the key")
value=input("Enter the value")

mybook[key]=value

print(mybook)

authors={}
key_list=[]
used=[]

key_list=mybook.keys()
for i in key_list:
v=mybook.get(i)
if v not in used:
used.append(v)
authors.setdefault(v,[])
authors[v].append(i)


print(authors)

- Anonymous September 13, 2018 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

var data2 = [{'Java' : 'John'},{'C#':'Rob'},{'Ruby':'John'},{'Rails':'Rob'},{'Fuss':'Ruchi'},{'stud':'Sud'}];
function getUniqueBook(){
var newArr = data2.reduce((accum, item) => {
for(book in item){
var temp = item[book];
if(accum[temp])
accum[temp] = [...accum[temp],book]
else
accum[temp] =[book]
}
return accum;
},{});
console.log(newArr);
}

- retina January 11, 2019 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

def return_map(ip):

    op = {}

    for key, val in ip.items():
        if val in op.keys():
            op[val].append(key)
        else:
            op.setdefault(val, [])
            op[val].append(key)
    return op


# drive program
book_map = {
    "Java": "John",
    "C#": "Rob",
    "Ruby": "John",
    "Rails": "Rob"}

op = return_map(book_map)
print(op)

- Anonymous January 14, 2019 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

def return_map(ip):

    op = {}

    for key, val in ip.items():
        if val in op.keys():
            op[val].append(key)
        else:
            op.setdefault(val, [])
            op[val].append(key)
    return op


# drive program
book_map = {
    "Java": "John",
    "C#": "Rob",
    "Ruby": "John",
    "Rails": "Rob"}

op = return_map(book_map)
print(op)

- Darshan N S January 14, 2019 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Map<String, String> map = new HashMap<>();
map.put("Java", "John");
map.put("C#", "Rob");
map.put("Ruby", "John");
map.put("Rails", "Rob");
map.put("Python", "John");
map.put("Go", "Rob");
Map<String, Set<String>> mapSet = new HashMap<>();
Set<String> languages = null;
for (String str : map.keySet()) {
String author = map.get(str);
Set<String> set=mapSet.getOrDefault(author,new HashSet<String>());
set.add(str);
mapSet.put(author,set);
}
mapSet.forEach((key,value)->{
System.out.println(key+" "+value);
});
}

- Ashlin K November 10, 2020 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Map<String, String> map = new HashMap<>();
map.put("Java", "John");
map.put("C#", "Rob");
map.put("Ruby", "John");
map.put("Rails", "Rob");
map.put("Python", "John");
map.put("Go", "Rob");
Map<String, Set<String>> mapSet = new HashMap<>();
Set<String> languages = null;
for (String str : map.keySet()) {
String author = map.get(str);
Set<String> set=mapSet.getOrDefault(author,new HashSet<String>());
set.add(str);
mapSet.put(author,set);
}
mapSet.forEach((key,value)->{
System.out.println(key+" "+value);
});
}

- Ashlin K November 10, 2020 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Map<String, String> map = new HashMap<>();
        map.put("Java", "John");
        map.put("C#", "Rob");
        map.put("Ruby", "John");
        map.put("Rails", "Rob");
        map.put("Python", "John");
        map.put("Go", "Rob");
        Map<String, Set<String>> mapSet = new HashMap<>();
        Set<String> languages = null;
        for (String str : map.keySet()) {
            String author = map.get(str);
            Set<String> set=mapSet.getOrDefault(author,new HashSet<String>());
            set.add(str);
            mapSet.put(author,set);
        }
        mapSet.forEach((key,value)->{
            System.out.println(key+" "+value);
        });
    }

- Ashlin K November 10, 2020 | Flag Reply


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