Parent & Child class in JAVA

class Parent{
int i,j;
Parent(int a,int b){
i=a;
j=b;
}
void show(){
System.out.println("Value of i = "+i);
System.out.println("Value of j = "+j);
}
}
class Child extends Parent
{
int k=52;
Child(int n,int m,int o) {
super(m,o);
k=n;
}
void show(){
super.show();
System.out.println("Value of k = "+k);
}
public static void main(String args[]){
Child b=new Child(12,45,32);
b.show();
}
}