class Insect{
int i=9;
int j;
Insect(){
prt("i="+i+",j="+j);
j=39;
}
static int x1=prt("static Insect.x1 initialized");static int prt(String s){
System.out.println(s);
return 47;
}
}
public class Beetle extends Insect{
int k=prt("Beetle.k initialized");
Beetle(){
prt("k="+k);
prt("j="+j);
}
static int x2=prt("static Beetle.x2 initialized");
static int prt(String s){
System.out.print(s);
return 63;
}
public static void main(String[] args){
prt("Beetle constructor");
Beetle b=new Beetle();}
int i=9;
int j;
Insect(){
prt("i="+i+",j="+j);
j=39;
}
static int x1=prt("static Insect.x1 initialized");static int prt(String s){
System.out.println(s);
return 47;
}
}
public class Beetle extends Insect{
int k=prt("Beetle.k initialized");
Beetle(){
prt("k="+k);
prt("j="+j);
}
static int x2=prt("static Beetle.x2 initialized");
static int prt(String s){
System.out.print(s);
return 63;
}
public static void main(String[] args){
prt("Beetle constructor");
Beetle b=new Beetle();}
解决方案 »
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