Advertisements
Advertisements
प्रश्न
Write a difference between the functions isUpperCase() and toUpperCase().
Differentiate between isUpperCase() and toUpperCase().
Advertisements
उत्तर १
The isuppercase() method is used to check whether the given character is in upper case or not. It returns a Boolean data type.
The toUpperCase() method is used to convert a character or string into upper case. It returns char or String type.
उत्तर २
| Sr. No. | isUpperCase() | toUpperCase() |
| 1. | The isuppercase() method is used to check whether the given character is in upper case or not. It returns a Boolean data type. | The toUpperCase( ) method is used to convert a character or string into upper case. It returns char or String type. |
| 2. | This function returns true if the parameter is an uppercase letter, and false otherwise. | This function returns the supplied argument in uppercase characters. If a character is already in uppercase, it remains unchanged. If the supplied character is not a letter, it will be returned as is. |
| 3. | Syntax: |
Syntax: |
| 4. | Example: |
Example: |
APPEARS IN
संबंधित प्रश्न
Differentiate between if else if and switch-case statements.
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.
What is the data type returned by the library function?
compareTo()
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);
What will be the output when the following code segment is executed?
System.out.println(“The king said\”Begin at the beginning!\“to me.”);
Give the output of the following Character class
method:Character.isLetterOrDigit('W')
Write the value of n after execution:
char ch = 'd';
int n = ch+5;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);