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READ Free Dumps For Oracle- 1z0-851





Question ID 3728

Given:
1.    public class Target {
2.    private int i = 0;
3.    public int addOne(){
4.    return ++i;
5.    }
6.    } And:
1. public class Client {
2.    public static void main(String[] args){
3.    System.out.println(new Target().addOne());
4.    }
5.    }
Which change can you make to Target without affecting Client?
 

Option A

A.    Line 4 of class Target can be changed to return i++;
 

Option B

B.    Line 2 of class Target can be changed to private int i = 1;
 

Option C

C.    Line 3 of class Target can be changed to private int addOne(){
 

Option D

D.    Line 2 of class Target can be changed to private Integer i = 0;
 

Correct Answer D
Explanation


Question ID 3729

Given:
1.    public class Blip {
2.    protected int blipvert(int x) { return 0; }
3.    }
4.    class Vert extends Blip {
5.    // insert code here
6.    }
Which five methods, inserted independently at line 5, will compile? (Choose four.)
 

Option A

A. public int blipvert(int x) { return 0; }
 

Option B

B.    private int blipvert(int x) { return 0; }
 

Option C

C.    private int blipvert(long x) { return 0; }
 

Option D

D.    protected long blipvert(int x) { return 0; }
 

Option E

E.    protected int blipvert(long x) { return 0; }
 

Option F

F.    protected long blipvert(long x) { return 0; }
 

Correct Answer A,C,E,F
Explanation

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