SOCKET PROGAMMING BASICS 1

................................... is the name given to the memory location where a value is stored.

• Variable

• Class

• Object

• Constant

A _____________is a value that does not change throughout program execution.

• Variable

• Constant

• Class

• Object

_________________are the reserved words available in Java language.

• Variables

• Keywords

• Constants

• Classes

Keywords listed in Java can be used as identifiers.

• True

• False

In a Java program, variables should be declared before they can be used.

• True

• False

Specify whether the following variable name are valid/invalid

total sum

• Valid

• Invalid

The statements in which you expect exceptions in runtime should be enclosed within a ________block.

• try

• catch

• throw

Choose the CORRECT scanner declaration.

• Scanner input = new Scanner(System.in);

• scanner input = new Scanner(System.in);

• Scanner input = new scanner(System.in);

• Scanner input = new Scanner(system.in);

• Scanner input = new Scanner(System);

Choose the CORRECT statement to accept Integer input from user, for the following variable:

int age;

• age=input.nextInt();

• age=input.nextInteger();

• age=input.nextInt()

• input.nextInt();

• input.nextInteger();

Choose the CORRECT object call for getting the current PCs IP address

• InetAddress address = InetAddress.getLocalHost();

• InetAddress address = InetAddress.getLocalHost();

• InetAddress address == InetAddress.getLocalHost();

• InetAddress address = InetAddress.getLocalHost():