class Lvar
{
int a;
void access()
{
String b;
System.out.println(a);
System.out.println(b);
}
public static void main (String ...x)
{
Lvar x1 = new Lvar();
x1.access();
}
}
 
Output:
Lvar.java:8: error: variable b might not have been initialized
        System.out.println(b);
                           ^
		1 error
											

class Lvar
{
int a;
void access()
{
String b="NULL";
System.out.println(a);
System.out.println(b);
}
public static void main (String ...x)
{
Lvar x1 = new Lvar()
x1.access();
}
}
 
Output:
0
NULL
		
											

class Lvar
{
int a;
void access()
{
String b="NULL";
System.out.println(a);
System.out.println(b);
}
public static void main (String ...x)
{
Lvar x1 = new Lvar();
x1.access();
}
}
	
Output: