मराठी

State the Number of Bytes Occupied by Char and Int Data Types.

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प्रश्न

State the number of bytes occupied by char and int data types.

एका वाक्यात उत्तर
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उत्तर

The char data occupies two bytes whereas int data type occupies four bytes.

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2016-2017 (March) Set 1

संबंधित प्रश्‍न

Differentiate between if else if and switch-case statements.


Give the output of the following code:

String P = “20”, Q = “19”,
int a = Integer .parselnt(P);
int b = Integer. valueOf(Q);
System.out.println(a+””+b);


State the data type and value of res after the following is executed:
char ch = ‘t’;
res=Character. toUpperCase(ch);


int res = ‘A’; 

What is the value of res?


What is the data type returned by the library function?
compareTo()


Design a class to overload a function area( ) as follows:
(i) double area (double a, double b, double c) with three double arguments, returns the area of a scalene triangle using the formula:

area = `sqrt ("s" ("s" - "a")("s" - "b")("s" - "c"))  "2ab"`

where `"s" = ("a" + "b" + "c")/2`

(ii) double area (int a, int b, int height) with three integer arguments, returns the area of a trapezium using the formula:

area = `1/2` height (a+b)

(iii) double area (double diagonal 1, double diagonal 2) with two double arguments, returns the area of a rhombus using the formula :

area = `1/2` (diagonal 1 × diagonal 2)


Give the output of the following code.

String A = "26.0", B= "74.0";

double C = Double.parseDouble(A);

double D = Double.parseDouble(B);

System.out.println((C+D));


Give the output of the following Character class method:

Character.isLetterOrDigit('W')

Predict the output of the following code snippet:

char ch='B';
char chr=Character.toLowerCase(ch);
int n=(int)chr-10;
System.out.println((char)n+"\t"+chr);

A student is trying to convert the string present in x to a numerical value, so that he can find the square root of the converted value, However the code has an error. Name the error (syntax/logical/runtime). Correct the code so that it compiles and runs correctly.

String x="25";
int y=Double.parseDouble(x);
double r=Math.sqrt(y);
System.out.println(r);

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