Java Programming Questions with Answers (100% Correct Answers)

Java Programming Questions with Answers
(100% Correct Answers)


Assign a Value

Ans: to set the data of a variable (involves the equal sign).


Class

Ans: Describes a particular kind of object. It can contain related methods and variables.


Double

Ans: A type of variable (or value) that can contain fractions as well as integers.


Declaration

Ans: A statement that creates a variable, method, or class identifier and its associated
attributes but doesn't necessarily allocate storage for variables or define an implementation
for methods.


int

Ans: An integer value


String

Ans: Sequence of characters


double

Ans: A real number(64 bytes)


float




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, Ans: A real number(32 bytes)


toUpperCase

Ans: This method converts a character to uppercase.


toLowerCase

Ans: This method converts a character to lowercase.


Algorithm

Ans: A set of steps that define a process for solving a

specific problem.


The main( ) Method

Ans: This gets your Java program running.

There must be at least one such method among your classes.


if/else

Ans: public static void main(String [ ] args){

int=17



if(age<=17){

System.out.println("You are too young")

} else {

System.out.println("You are old");

}


Method

Ans: Houses the program statements that perform its tasks.




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