- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Maruthi Krishna has Published 951 Articles
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
13K+ Views
A constructor is similar to method and it is invoked at the time creating an object of the class, it is generally used to initialize the instance variables of a class. The constructors have same name as their class and, have no return type.Parameterized constructorsA parameterized constructor accepts parameters with ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
5K+ Views
A constructor is similar to method and it is invoked at the time creating an object of the class, it is generally used to initialize the instance variables of a class. The constructors have same name as their class.Return type of a constructorA constructor doesn’t have any return type.The data ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
372 Views
A constructor is similar to method and it is invoked at the time creating an object of the class, it is generally used to initialize the instance variables of a class. The constructors have same name as their class and, have no return type.There are two types of constructors parameterized ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
196 Views
A regular expression is a string of characters that defines/forms a pattern to search an input text. A regular expression may contain one or more characters, using a regular expression you can search or replace a string.Java provides the java.util.regex package for pattern matching with regular expressions. The pattern class ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
720 Views
A regular expression is a special sequence of characters that helps you match or find other strings or sets of strings, using a specialized syntax held in a pattern. They can be used to search, edit, or manipulate text and data. Java provides the java.util.regex package for pattern matching with ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
107 Views
The String class of the java.lang package represents set of characters. All string literals in Java programs, such as "abc", are implemented as instances of this class. A string index is an integer representing the position of each character in the string starting from zero.A substring is a part/segment of ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
6K+ Views
A static filed/variable belongs to the class and it will be loaded into the memory along with the class. You can invoke them without creating an object. (using the class name as reference). There is only one copy of the static field available throughout the class i.e. the value of ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
291 Views
Following is the regular expression to match hexadecimal number greater than 10 with even length −^(?=.{10, 255}$)(?:0x)?\p{XDigit}{2}(?:\p{XDigit}{2})*$Where, ^ − Matches the starting of the sentence.(?=.{10, 255}$) − String ending with characters with 10 to 255.\p{XDigit}{2} − Two hexa-decimal characters.(?:\p{XDigit}{2})* − 0 or more sequences of double hexa-decimal characters.$ − Matches ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
620 Views
If you want to specify the number of occurrences while constructing a regular expression you can use quantifiers. Java supports three types of quantifiers namely: greedy quantifiers, reluctant quantifiers and possessive quantifiers.Greedy quantifiers − Greedy quantifiers are the default quantifiers. A greedy quantifier matches as much as possible from the ... Read More
![Maruthi Krishna](https://www.tutorialspoint.com/assets/profiles/119958/profile/60_3780337-1641548568.png)
Maruthi Krishna
637 Views
When an exception is cached in a catch block, you can re-throw it using the throw keyword (which is used to throw the exception objects).While re-throwing exceptions you can throw the same exception as it is with out adjusting it as −try { int result = (arr[a])/(arr[b]); System.out.println("Result ... Read More