What is the default value for char in Java?
u0000
Default Values
| Data Type | Default Value (for fields) |
|---|---|
| double | 0.0d |
| char | ” |
| String (or any object) | null |
| boolean | false |
What is the default value of object reference in Java?
What will be the initial value of an object reference which is defined as an instance variable? The object references are all initialized to null in Java.
How do you initialize a char with default value in Java?
In the first case, first, declare a char type variable and print its value. In the output, we can see a blank space after ‘ = ‘ which denotes null character. In the second case, we’ll declare a Char type variable and initialize it with the default value and print its value.
How do I print the default value of a char?
We try to print its value invoking print() method on instance of the same class. Since we haven’t assigned any value to the char variable at any point throughout the program. it will print default value of char variable.
What is the default value for a char array?
char is a primitive data type in Java. char is a any character of a Java character set. The default value of a char data type is ”. char variable capable of storing following values.
What is the default value of object variable?
null
Objects. Variables of any “Object” type (which includes all the classes you will write) have a default value of null.
What is the default value of reference variable?
null value
When variable is of any class type (non-primitive type), then it is known as reference variable, and it contains null value as a default value.
What is the default value of object reference variable?
Default values are same as instance variables. For numbers, the default value is 0; for Booleans, it is false; and for object references, it is null.
How do you initialize a char in Java?
Example 1
- public class CharExample1 {
- public static void main(String[] args) {
- char char1=’a’;
- char char2=’A’;
- System.out.println(“char1: “+char1);
- System.out.println(“char2: “+char2);
- }
- }
What is value of char A?
Standard ASCII Characters
| Dec | Hex | Char |
|---|---|---|
| 64 | 40 | @ |
| 65 | 41 | A |
| 66 | 42 | B |
| 67 | 43 | C |
What is the default value of char in C?
There is no default value which is assigned to it.
How do you set a default field value in Java?
You have two choices for setting the default value of an instance variable (sometimes called an “instance field”): Using an initializer on the declaration. Using an assignment in a constructor.