What will be the output of the following Java code?
public class Boxer1
{
Integer i;
int x;
public Boxer1(int y)
{
x = i+y;
System.out.println(x);
}
public static void main(String[] args)
{
new Boxer1 (new Integer(4));
}
}

Question

What will be the output of the following Java code?
public class Boxer1 
{
    Integer i;
    int x;
   public Boxer1(int y) 
   {
        x = i+y;
        System.out.println(x);
   }
   public static void main(String[] args) 
   {
       new Boxer1 (new Integer(4));
   }
}

Admin · Accepted Answer

An IllegalStateException occurs at runtime

Admin · Answer

The value "4" is printed at the command line

Admin · Answer

Compilation fails because of an error in line

Admin · Answer

A NullPointerException occurs at runtime

Q. What will be the output of the following Java code?
public class Boxer1
{
Integer i;
int x;
public Boxer1(int y)
{
x = i+y;
System.out.println(x);
}
public static void main(String[] args)
{
new Boxer1 (new Integer(4));
}
}

Discusssion

Q. What will be the output of the following Java code? public class Boxer1 { Integer i; int x; public Boxer1(int y) { x = i+y; System.out.println(x); } public static void main(String[] args) { new Boxer1 (new Integer(4)); } }

Discusssion

Q. What will be the output of the following Java code?
public class Boxer1
{
Integer i;
int x;
public Boxer1(int y)
{
x = i+y;
System.out.println(x);
}
public static void main(String[] args)
{
new Boxer1 (new Integer(4));
}
}