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Strings Programs in JAVA

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    Sort a list of dates in ascending order given the data format shown below:

    Each date is in the form ddmmmyyyy where
    dd is the set {0-31}
    mmm is in the set {Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec)
    yyyy is four digits.

    Example
    dates = {'01 Mar 2017';'03 Feb 2017';'15 Jan 1998']
    The array dates sort to ['15 Jan 1998';'03 Feb 2017';'01 Mar 2017';]

    Input : {'01 Mar 2017';'03 Feb 2017';'15 Jan 1998']


    Output :

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    Tags:SAP Labs

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    Given a string. Find the number of substrings which consists of vowels only and contain all vowels at least once.

    Input : NA


    Output : NA

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    Write a function to check whether two given strings are an anagram of each other or not.

    Hint:An anagram of a string is another string that contains same characters, only the order of characters can be different.

    Example: "abcd" and "dabc" are anagram of each other.

    Input : LISTEN


    Output :

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    Tags:SAP Labs

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    Write a recursive program to reverse a string without using any extra variable.

    Input : NA


    Output : NA

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    Password Creation

    A password manager wants to create a new password using two strings given by the user, then combined to create a harder-to-guess combination. Given two strings, interleave the characters of the strings to create a new string. Beginning with an empty string, alternately append a character from string a and from string b. If one of the strings is exhausted before the other, append the remaining letters from the other string all at once. The result is the new password.

    Example:
    If a = saplab and b = q4interview ,the result is sqa4pilnatberview.


    Function Description
    Complete the function newPassword in the editor below
    newPassword has the following parameter(s):
    string a the first string
    string b the second string

    Input : a = saplab
    b = q4interview


    Output :

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    Tags:SAP Labs

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    Build the Subsequences

    A subsequence of a string is obtained by deleting zero or more characters from the string while maintaining order. Given a string, generate an array of all subsequences sorted alphabetically ascending, omitting the empty string.

    Example
    For example, the subsequences of string s = "xyz", not including the empty string, are "x", "xy", "xz", "xyz", "y", "yz", and "z"

    Function Description:
    Complete the function builds sequences in the editor below.

    buildSubsequences has the following parameter(s)
    str s: the string to process

    Returns:
    str[]: An array of strings comprising all the subsequences of the given string sorted alphabetically, ascending.

    constraints:
    1 < length of s <16
    s is a string of distinct lowercase English alphabetic letter ascii[a-z]

    Input : NA


    Output : NA

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    Tags:SAP Labs

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    Deleting Sub-strings

    There are two strings, s, and t.


    Perform two operationss with the string s:
    1. Working from left-to-right delete each occurrence of t in s until there are no more occurrences of t. Count each deletion.
    2. working from right-to-left delete each occurrence of t in s until there are no more occurrences of t. Count each deletion.


    When that is done, return the greater of the two counts; deletion left-to-right or deletions right-to-left.

    Example
    s = 'bcbbc'
    t = 'b'

    From left to right:
    Remove th first occurrence t = 'b' from"

    Input : NA


    Output : NA

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    Tags:SAP Labs

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    Given a list of distinct unsorted integers, find the pair of elements that have the smallest absolute difference between them? If there are multiple pairs, find them all.
    Input : arr[] = {10, 50, 12, 100}
    Output : (10, 12)
    The closest elements are 10 and 12

    Input : arr[] = {5, 4, 3, 2}


    Output :

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    Return the character which occurs for the maximum numbers of times in the Input String.
    If multiple characters occur with the same highest frequency then return "0".

    Input : Input1: abcdd


    Output :

    View Answer |  Strings |  Practice Program | Add to Reading List To Reading List | Asked In TCS NQTNagarroHackerRank |  Experience, Fresher
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You can practice the basics and standard Strings programs given at page 6, asked at freshers or experienced level job interview. Practice our hand-picked page 6 Strings coding interview questions asked in coding round of various it companies and exams. You can programed these given question in any language, you can post your answer and same time you can review other users answer. It is always recommanded to write your own Strings coding questions answer first and then refer others answers. At this page 6 we have covers all the Strings coding questions in 2020 and previously asked in their Interview round or coding rounds.