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Author Question: Analyze the following code:public class Test { public static void main(String[] args) {Object a1 = ... (Read 28 times)

captainjonesify

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  • Posts: 543
Analyze the following code:

public class Test {
public static void main(String[] args) {
Object a1 = new A();
Object a2 = new Object();
System.out.println(a1);
System.out.println(a2);
}
}

class A {
int x;

public String toString() {
return "A's x is " + x;
}
}

◦ When executing System.out.println(a2), the toString() method in the Object class is invoked.
◦ When executing System.out.println(a1), the toString() method in the A class is invoked.
◦ When executing System.out.println(a1), the toString() method in the Object class is invoked.
◦ The program cannot be compiled, because System.out.println(a1) is wrong and it should be replaced by System.out.println(a1.toString());


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Marked as best answer by captainjonesify on May 6, 2020

jennafosdick

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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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captainjonesify

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  • Posts: 543
Reply 2 on: May 6, 2020
YES! Correct, THANKS for helping me on my review


nguyenhoanhat

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  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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