Peor tiempo para obtener un valor de un hashmap. Y como funciona.
Android Developer Intern Interview Questions
8,369 android developer intern interview questions shared by candidates
What will be the return value of someCoolFunction("[ab][bc][ca]", "[", "]")? public static String[] someCoolFunction(String str, String open, String close) { if (str == null || open == null || close == null) { return null; } int strLen = str.length(); if (strLen == 0) { return null; } int closeLen = close.length(); int openLen = open.length(); List list = new ArrayList(); int pos = 0; while (pos < (strLen - closeLen)) { int start = str.indexOf(open, pos); if (start < 0) { break; } start += openLen; int end = str.indexOf(close, start); if (end < 0) { break; } list.add(str.substring(start+1, end)); pos = end + closeLen; } if (list.isEmpty()) { return null; } return (String[]) list.toArray(new String [list.size()]); } ["bb", "cc", "da"] ["a", "b", "c"] ["ab", "bc", "ca"] ["b", "c", "a"] ["c", "b", "a"] Question 4 A perfect number is a positive integer that is equal to the sum of its proper positive divisors (factors) excluding the number itself. Complete the following function which determines whether a given number is perfect or not. int perfect(int n) { int tot = 1; int i; // ********************* // What's the code here? // ********************* return tot == n; } for (i = 2; i < n; i++) { if ( (i % n) != 0 ) { tot += i; } } for (i = 2; i < n; i++) { if ( (i % n) == 0 ) { tot += i; } } for (i = 2; i < n; i++) { if ( (n % i) == 0 ) { tot += i; } } for (i = 2; i < n; i++) { if ( (n % i) != 0 ) { tot += i; } }
They asked about my confidence level
Programing test simple questions asked, like String manipulation and file handling.
Basics of Android .
1.Technical Questions are:- a) factorial b) find minimum element in an array c) find second minimum element in an array d) palindrome program e) string reverse without using inbuilt functions and 2-3 more(don't remember) 2.In the technical interview, they would ask you the basics of the profile for which you are applying. 3. Interview with CEO/COO is pretty cool. They just wanna know about you and they might give some puzzle. Also, they may ask you to correct your code of technical round. 4. Basic questions, salary, about you, hobbies etc.
Questions involved : 1. Describe Activity and Fragments (how fragment attaches to the Activity) and other related things. 2. Thread vs AsyncTasks (Advantages and Disadvantages of each) 3. What happens when you rotate the screen while on an Activity (and related things on ConfigChanges) 4. New features in Android 7.0 5. DOM vs SAX in XML parsing 6. What happens in setContentView in Activity 7. Why do we use XML instead of COding the UI part.
Handlers, Services, Multithreading, Java
Are you willing to work late nights becaue we are changing the wold?
about Java
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