Oracle
1Z0-819 · Question #32
1Z0-819 Question #32: Real Exam Question with Answer & Explanation
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Question
Given:
public class Person {
private String name;
public Person(String name) {
this.name = name;
}
public String toString() {
return name;
}
}
and
public class Tester {
public static void main(String[] args) {
Person p = null;
checkPerson(p);
p = new Person("Mary");
checkPerson(p);
System.out.println(p);
}
public static Person checkPerson(Person p) {
if (p == null) {
p = new Person("Joe");
}else{
p = null;
}
return p;
}
}
What is the result?
Options
- AJoeMarry
- BJoeNull
- CNullNull
- DNullMary
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