public class B {
static
String[] s1;
static String[] s2;
private String a;
private String b;
private String c=null;
.
.
public static void main(String args[]) {
for( int r=0; r< s1.length; r++) {
for(int t=0; t< s2.length; t++) {
foo(s1[r], s2[t]); // forming string arrays s1 & s2
}
}
} // main - end
public void method()
{
A a1 = new A();
String kd = a1.foo(a, b, c);
}
} // class - end
*******************************************************
public class A {
public String foo(String a, String b, String c)
{
return "hai";
}
}
**************************************************
class B's foo(s1[r], s2[t]) shows the compilation error ? why ?