Oracle
1Z0-808 · Question #11
1Z0-808 Question #11: Real Exam Question with Answer & Explanation
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Creating and Using Arrays
Question
Given the code fragment:
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?
Options
- AElement 0 Element 1
- BNull element 0 Null element 1
- CNull Null
- DA NullPointerException is thrown at runtime.
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Topics
#Array initialization with nulls#NullPointerException#Method calls on null#Enhanced for loop