What is the range of byte data type in Java?

Which of the following are legal lines of Java code?
1. int w = (int)888.8;
2. byte x = (byte)100L;
3. long y = (byte)100;
4. byte z = (byte)100L;

An expression involving byte, int, and literal numbers is promoted to which of these?

Which of these literals can be contained in float data type variable?

class increment {
       
         public static void main(String args[]) 
 {  
      
             int g = 3;
  
               System.out.print(++g * 8);
  
         } 
    
       }

What is the output of this program?
 
    class area {
 
        public static void main(String args[]){
    
             double r, pi, a;

                 r = 9.8;

                 pi = 3.14;

                 a = pi * r * r;
 
                 System.out.println(a);
 
            } 
    
    }

Which of these coding types is used for data type characters in Java?

Which of these values can a boolean variable contain?

Which of these is long data type literal?

Literal can be of which of these data types?

Which of these can not be used for a variable name in Java?

What is the prototype of the default constructor of this class?
public class prototype { }

Which of these operators is used to allocate memory to array variable in Java?