Create Byte object with its constructor
These are the two constructors from Byte class. We can use them to create Byte object.
Byte(byte value)- Creates a Byte object for byte value.
Byte(String s)- Creates a Byte object for the byte value indicated by the String parameter.
public class Main {
public static void main(String[] args) {
Byte byteObject = new Byte("100");
System.out.println(byteObject);
byte b = 101;
Byte byteObject2 = new Byte(b);
System.out.println(byteObject2);
}
}
The output:
100
101
You cannot pass integer literal to the constructor directly as Java think it is an int not a byte.
public class Main {
public static void main(String[] args) {
Byte byteObject2 = new Byte(101);
System.out.println(byteObject2);
}
}
When you try to compile the code above, the compiler will output the following error message:
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
The constructor Byte(int) is undefined
at Main.main(Main.java:4)