Java SE 8 Programmer 1Z0–808 Practice Full Test 1

Question : 29 of 84

Marks: +1, -0

Given Code

String[] strs = new String[2]; int idx = 0;
 for (String s : strs) {
   strs[idx].concat("element" + idx);
   idx++;
 }
 for (idx = 0; idx < strs.length; idx++) {
   System.out.println(strs[idx]);
 }

What is the result?

Element 0
Element 1
Null element 0
Null element 1
Null
Null
A NullPointerException is thrown at runtime

Validate

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