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Author Question: Given the following code, find the compile error.public class Test { public static void ... (Read 72 times)

Yi-Chen

  • Hero Member
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  • Posts: 550
Given the following code, find the compile error.

public class Test {
public static void main(String[] args) {
m(new GraduateStudent());
m(new Student());
m(new Person());
m(new Object());
}

public static void m(Student x) {
System.out.println(x.toString());
}
}

class GraduateStudent extends Student {
}

class Student extends Person {
public String toString() {
return "Student";
}
}

class Person extends Object {
public String toString() {
return "Person";
}
}

◦ m(new Person()) causes an error
◦ m(new Student()) causes an error
◦ m(new GraduateStudent()) causes an error
◦ m(new Object()) causes an error


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Marked as best answer by Yi-Chen on May 6, 2020

macagnavarro

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Yi-Chen

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  • Posts: 550
Reply 2 on: May 6, 2020
Excellent


apple

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  • Posts: 352
Reply 3 on: Yesterday
Wow, this really help

 

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