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प्रश्न
Differentiate between if else if and switch-case statements.
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उत्तर
| if-else if | switch-case |
| (i) It evaluates integer, character, pointer or floating-point type or boolean type. | (i) It evaluates only character or integer value. |
| (ii) Which statement will be executed depend upon the output of the expression inside if statement. | (ii) Which statement will be executed is decided by user. |
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संबंधित प्रश्न
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
State the number of bytes occupied by char and int data types.
Write a program to accept a number and check and display whether it is a Niven number or not.
(Niven number is that number which is divisible by its sum of digits).
Example:
Consider the number 126.
The Sum of its digits is 1+2+6 = 9 and 126 is divisible by 9.
What will be the output when the following code segment is executed?
String s = “1001”;
int x = Integer. valueOf(s);
double y = Double.valueOf(s);
System.out.println(“x=”+x);
System.out.println(“y=”+y);
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')What is the method to check whether a character is a letter or digit?
The method to convert a lowercase character to uppercase is ______.
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);Define a class to accept a string and convert the same to uppercase, create and display the new string by replacing each vowel by immediate next character and every consonant by the previous character. The other characters remain the same.
Example: Input: #IMAGINATION@2024
Output: #JLBFJMBSJPM@2024
