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package Inheritance;
class SuperClass {
int i, j;
void showij() {
System.out.println("i and j: " + i + " " + j);
}
}
class SubClass extends SuperClass {
int k;
void showk() {
System.out.println("k:" + k);
}
void sum() {
System.out.println(i + j + k);
}
}
class InheritEx {
public static void main(String args[]) {
SuperClass sup = new SuperClass();
SubClass sub = new SubClass();
sup.i = 10;
sup.j = 20;
System.out.println("Contents of super class ");
sup.showij();
sub.i = 7;
sub.j = 8;
sub.k = 9;
System.out.println("Contents of sub class");
sub.showij();
sub.showk();
System.out.println("Sum of i, j and k in sub class");
sub.sum();
}
}