String Programs in Java For Interview: If you’re looking to score a job that involves Java, it’s important to brush up on your string knowledge. In this article, we’ll go over some of the most commonly asked Java string interview questions so you can hit the ground running in your next interview.
If you’re looking to land a Java programming job, you must have a strong understanding of the String class. Nearly every Java application makes use of strings in some way, so demonstrating your knowledge of this fundamental class is essential for impressing potential employers.
String Programs in Java
In this article, you will find a list of Java String Programs Interview Questions that focus on topics like thread safety, immutability, string methods in Java, StringBuilder, and StringBuffer, memory consumption, comparing String instances in Java, using String as the key in HashMap, and equals() vs == check for Strings.
You can find a list of Java String solved programs with solutions and detailed explanations below. All examples are compiled and tested on a Windows system.
Input: www.SoftwareTestingo.com
Output: {a=1, c=1, e=2, f=1, g=1, i=1, m=1, .=2, n=1, o=3, r=1, S=1, s=1, t=2, T=1, w=4}
w=4
Input: today10is20my30interview
Output: yadot10si20ym30weivretni
Input: lekhale
Output: The substring ‘le’ is repeated 2 times in the given string.
Input: dadeadrs
Output: dddaaers
Input: 12bbccaaaammm
Output: 12bbccmmmaaaa
Input: Welcome to Mis2is2ip2i Bla4k Adam
Output:Welcome to Mississippi Blaaaak Adam
Input: abbcccdeee
Output: a1b2c3d1e3
Input: he is a good boy
Output: yo bd o ogas ieh
Input: HELLO WORLD
Output: HExxxO WORxxxD
Input: AAAADDDCCCA
Output: A4D3C3A1
Input: 1B3A2D4C
Output: BAAADDCCCC
Input: reverse me without split
Output: esrever em tuohtiw tilps
Input: My n@me is 12Rahul
Output: yM em@n si 12luhaR
Input: Hi I am Naveen I need and answer
Output: answer and deen I Naveen ma I Hi
Input: Welcome to Softwar Testing Blog
Output: Blog Testing Softwar to Welcome
Enter the string: Software Testingo Blog
Before Reverse the String: Software Testingo Blog
After Reverse the String: golB ognitseT erawtfoS
Inout: amZgxY
Output: x
Input: GDP in 2016 has fallen from 6.8% to 4.5%
Output: GDP in 6102 has fallen from 8.6% to 5.4%
Input: Ramakant
Output: R1a1m1a2k1a3n1t1
Input: weelccoommee hhoommeee
Output: welcome home
Original String : softwaretestingo
After removing the duplicates : softwareing
Input: Aut@oma#tion@#
Output: Aut@oma#tion..
Input: AB2C99423A
Output: A2B9C9A423
Input: abc
Output: abc,acb,bac,bca,cba,cab,
Input: Welcome[21], Java1How are you78
Sum of numbers : 100
Sum of digits of numbers : 19
Input: minimum
Output: n–1
Input: Automation Testing
Output: aUTOMATION tESTING
Input: !I a#m S@ou$%^ra@v
Output: I am Sourav!#@$%@
Input: Soft4w8a1re
Output: 481
Input: %i a#m s@o$ftwa346re
Number of digits (Output): 3
Input: abcdcbe
Longest palindrome substring is: bcdcb
Length is: 5
Enter a String With numbers: soft4567wa54r45e
String after removing all numbers: software
Enter the string: software testingo blog
Original String: software testingo blog
After Removing the Spaces: softwaretestingoblog
Enter the string: softwaretesting
Enter the Character you want to search: t
t is present at index 3
Input: Welcome To SoftwareTestingo
Total number of vowels in string are: 10
Input: 5450595638154862
After Masking Output: 545059******4862
Modified Output: 5450-59**-****-4862
Enter the Name : Software Testing O Blog
Short Form: S.T.O.Blog
Input: aBcA1bC2
Output: abcABC12
Input: aaabat
Output: bat
First String: automation
Second String: testing
Final: [t, i, n]
Input: NewMumbai
Output: Mum
Input String: aaabbbbcddeeeee
Second Most Frequent Character: bbbb
Input: Selenium
Output:
eleniumS
leniumeS
eniumleS
niumeleS
iumneleS
umineleS
muineleS
muineleS
Input: AcBCbDEdea
Output: AaBbCcDdEe
Enter the String: softwaretestingo
Enter the Occurance Character Number For Remove : 2
After Removing The Characters Having More then 2 Times:- fwaring
Input Value: ab2c4d45ef234
Integers: 2,4,45,234
Characters: ab,c,d,ef
Enter the String: manual testing testing
Enter substring: testing
Occurence of ‘testing’ in String is 2
Conclusion:
To help you prepare for your next Java interview, here is everything you need to know about Java String Programs. These questions will not only help you better understand Strings in Java but could also open the door to learning more about them.
If you familiarize yourself with these common String Programs in Java interview questions, you will increase your chances of getting hired.
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