Java errors in a program

Question

Class Student
{
int roll;
int getroll(int x)
{

roll=x;

}
void putroll()
{
System.out.println("ROLL NUMBER IS ENTERED BY THE USER IS"+roll);

}
}
Class Test extends Student
{

int getmarks(int a,int b, int c,int d,int e)
{
int java,python,nodejs,android,ds;
java=a;
python=b;
nodejs=c;
android=d;
ds=e;
}

int putmarks()
{
System.out.println("Test 1 marks is"+java);
System.out.println("Test 2 marks is"+python);
System.out.println("Test 3 marks is "+nodejs);
System.out.println("Test 4 marks is "+android);
System.out.println("Test 5 marks is"+ds);

}
}
Class Result extends Test
{
int display
{

putroll();
putmarks();
int total=java+python+nodejs+android+ds;

}
}

Class Main
{

public Static void main (String arg[])
{
Result obj=new Result();
obj.getroll(1);
obj.getmarks(100,200,300,400,500);
obj.diplay();

}
}

Answer 1

abhishek bairwa

Make code in Code playground and share the link here. It would be easy to help you.

Answer 2

Learn about variable scope.
Variable declared within a block or method will have local scope to method so outside of that block, won't exist.. getmarks() variables won't exist in putmarks() variables..

Answer 3

I want to tell u that yaha par multilevel inheritance ho raha hai so it's doesn't matter