DEV Community: Vinoth Kumar

EXCEPTION HANDLING 02

Vinoth Kumar — Mon, 02 Nov 2026 16:08:59 +0000

SEO CLASS

Vinoth Kumar — Sun, 01 Nov 2026 11:59:18 +0000

SUNDAY NOTES

Vinoth Kumar — Sun, 01 Nov 2026 11:57:50 +0000

HASHPUT METHOD

Vinoth Kumar — Wed, 28 Oct 2026 18:00:02 +0000

COLLECTIONS IN JAVA

Vinoth Kumar — Tue, 27 Oct 2026 17:52:17 +0000

today notes

Vinoth Kumar — Mon, 26 Oct 2026 18:24:37 +0000

STRING BUILDER IN JAVA

Vinoth Kumar — Sun, 25 Oct 2026 18:02:53 +0000

STRING BUILDER :

A mutable sequence of characters introduced in Java 1.5. It is not thread-safe, which makes it faster and suitable for single-threaded environments.

EXAMPLE :

class StringBuilder{
    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder("Hello");
        sb.append(" World");
        System.out.println(sb);
    }
}

STRING BUFFER IN JAVA

Vinoth Kumar — Sat, 24 Oct 2026 18:12:18 +0000

EXCEPTION HANDLING

Vinoth Kumar — Fri, 23 Oct 2026 18:30:34 +0000

EXCEPTION HANDLING IN JAVA :

A mechanism used to handle exceptional conditions that occur during program execution. It helps prevent the program from terminating unexpectedly and allows developers to provide appropriate recovery or error-handling logic.

TYPES OF EXCEPTION HANDLING :

User-Defined Exception.
Built-in Exception.

USER-DEFINED EXCEPTION :
In Java are not able to describe a certain situation. In such cases, users can also create exceptions, which are called as user-defined Exceptions.

Basic try-catch :

The try block contains code that might throw an exception,and catch block handles the exception if it occurs.

BUILD-IN EXCEPTION :

These are pre-defined exception classes provided by Java to handle common errors during program execution. There are two type of built-in exception in java.

Checked Exception :
These exceptions are checked at compile time, forcing the programmer to handle them explicitly.

Unchecked Exception :
These exceptions are checked at runtime and do not require explicit handling at compile time.

PROJECT : SMS

Vinoth Kumar — Thu, 22 Oct 2026 18:08:13 +0000

tuesday notes

Vinoth Kumar — Tue, 20 Oct 2026 18:07:03 +0000

tuesday notes

Vinoth Kumar — Mon, 19 Oct 2026 18:18:45 +0000