Which of the following is not a valid identifier name
My_File123
My File_12_3
12$3_Mylife
MYFILE123
What is the use of initialization of variables ?
avoid error
remove garbage value if any
reduce memory space
avoid duplication of variables
Which is the correct way to represent a string literal?
sting s= 'smartindia';
string s= "smartindia";
string s="//smartindia/";
string s= smartindia;
Which operator joins two or more expressions or statements?
Arithmetic
Logical
Relational
Assignment
Which is not a reference datatype?
Boolean
Class
Interface
Array
Which is not an assignment operation?
a%=b ;
a/=b ;
a==b ;
a+=b;
Special symbols used to perform a particular task is called
Keyword
Operators
Literals
Variables
What is the default type of the value we taken from a GUI component?
Integer
Char
Double
Text
A complete unit of execution of a program is called
Scope
Block
Statement
Expression
How to make a variable as constant?
Using Const keyword
Using Lock keyword
Using Final Keyword
Using abstract keyword