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Nazeer Ahamed Iliyas
what is the error
1 Answer(s)      7 years ago
Posted in : Java Beginners


What is the compile time error that i am getting while compiling the application.
Thanks!


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February 21, 2008 at 6:31 PM


SOLUTION :-
Your program is creating the compile time error
such as : - ? CANNOT FIND SYMBOL ? because you have declared variable comment that?s why compiler is not able to read this .


correct code is this if you don?t want such type of error
EG : -
import java.lang.*;
// user defined classes definition
// super class

class First
{
private int data=100;
public void initdata()
{
int data=10;
}
}
// sub class
class Second extends First
{
public void showdata()
{
System.out.println("Data : " + data);
}
}
// java application class definition
class ExInherit1
{
public static void main(String argv[])
{
Second o = new Second()
o.initdata();
o.showdata();
System.out.println("Data : "+ data);
}
}
this program will also show such type of error ? DATA HAS PRIVATE ACCESS IN FIRST ?because you have declared the variable data as private in class First so you can?t access it in class Second .

if you don?t declare the variable ? Private ? it will also create the error such as : ? CANNOT FIND SYMBOL ?
import java.lang.*;
// user defined classes definition
// super class

class First
{
int data=100;
public void initdata()
{
int data=10;
}
}



// sub class
class Second extends First
{
public void showdata()
{
System.out.println("Data : " + data);
}
}


// java application class definition
class ExInherit1
{
public static void main(String argv[])
{
Second o = new Second();
o.initdata();
o.showdata();
//System.out.println("Data : "+ data);
}
}

if you want error free program the correct code is : -
import java.lang.*;
// user defined classes definition
// super class

class First
{
ssint data=100;
public void initdata()
{
int data=10;
}
}



// sub class
class Second extends First
{
public void showdata()
{
System.out.println("Data : " + data);
}
}


// java application class definition
class ExInherit1
{
public static void main(String argv[])
{
Second o = new Second();
o.initdata();
o.showdata();
}
}

THE OUTPUT OF THIS CODE : 100


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