Advanced DSA Level Problems
This section unleashes advanced DSA-level string problems. Tackle patterns, searches, and transformations to become a Java string pro.
11. Program to Find the Sum of Two Large Numbers.
Input : str1 = "7777555511111111",
str2 = "3332222221111"
Output : 7780887733332222
12. Program to Extract Substring from a String with Equal 0, 1, and 2.
Input: str = “102100211”
Output: 5
Explanation: "102" , "021" , "210" , " 021" , "210021" these are combinations can be formed where the occurrence of 0 , 1 and 2 all are equal.
13. Program to Add Binary Strings
Input : str1 = "1001"
str2 = "11"
Output : "1100"
Explanation : "1001" represents for 9 and "11" represents for 3 then result should be 12 which means result = "1100".
14. Program to Validate an IP address
Input : "125.512.100.1"
Output : Valid
15. Program to Print all Permutations of a String in Java
Input : abc
Output : abc , acb , bac , bca , cab , cba
Explanation: All the sequence can be formed using these the string will be printed.
Java String Exercise
String in Java are the objects which can store characters of values in Java, it act the same as an array of characters in Java. Java String is one of the most important topics in Java programming. It is widely used to manipulate and process textual data. In this article, we will learn about Java String with some Java Practice Problems.
Take a look at our Java String Exercise, which will cover the Practice Problems in Java with a series of Java String exercise questions that will help you practice and reinforce your knowledge of String manipulation in Java. These practice problems are both beginner-friendly and experienced-friendly. So, let’s dive into the world of Java String exercises and enhance your programming abilities!
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