You can check string is alphanumeric in Java using matches() method of Matcher class. The Matcher class is provided by java.util.regex package. Below I have shared a simple Java program in which I have taken a string and I am checking it using matches() method. Java Program to Check String is Alphanumeric or not java.util.regex.*; …
We have completed the basic introduction to C++ and the language features. Hoping that you have set the environment necessary to run the C++ programs in your machine. Let us jump to write first C++ program to print hello world. Before that we need to know some basics of the language. The ISO C++ standard …
Computer can’t directly understand the program that we write in C++ language. Compiler converts the program into machine language that is understand by the computer. As we already know C++ is a compiled language. This means that every source file needs to be converted into an intermediate code called the object code with the help …
To say exactly, creating a computer program is like trying to swim an ocean. You will eventually drown if you jump into it without proper knowledge. So, the question here is, in which language you should start training to get strong grip in software field. The answer is ambiguous. You can start with any language …
A PL/SQL transaction is a collection of operations or instructions which is executed as a whole atomic unit. A transaction can access and manipulate various data items. In a multi-user environment, every user is working with his own transaction independence, keeping the database in an inconsistent format. There are few properties which every stable database …
This is a College Stationery Management System Application Software project which is developed using Visual Basic .NET programming language and Microsoft Access 2007 as its Database store. It is very good software which can be used for B.Tech, BSc, BCA and many other courses for college projects. Hope you all like it. The project also …
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An exception is a condition which executes when an error occurs during execution of a PL/SQL program. PL/SQL provides a feature that lets the programmers to handle these exceptions in the exception block in a PL/SQL program. Exception block contains the methods (defined by the programmer) which can provide a particular action that needs to …
Here are 50+ frequently asked PL/SQL interview questions and answers which will definitely help you out to crack one of the toughest interviews. Q1. How can you Rollback a particular part of a procedure or any PL/SQL Program? It can be done using Savepoints during definition of a PL/SQL program. Q2. Is there …
