Question: Is the keyword this optional in the following code? class A { private int hour; private int minute; public A ( int hour, int minute

Is the keyword this optional in the following code?
class A{
private int hour;
private int minute;
public A(int hour, int minute){
this. hour = hour;
}
this. minute = minute;
}
yes
no
Is the keyword this optional in the following code? class A{

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