Oracle
1Z0-808 · Question #62
1Z0-808 Question #62: Real Exam Question with Answer & Explanation
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Creating and Using Arrays
Question
Given:
public class Test {
public static void main(String[] args) {
String[][] chs = new String[2][];
chs[0] = new String[2];
chs[1] = new String[5];
int i = 97;
for (int a = 0; a < chs.length; a++) {
for (int b = 0; b < chs.length; b++) {
chs[a][b] = "" + i;
i++;
}
}
for (String[] ca : chs) {
for (String c : ca) {
System.out.print(c + " ");
}
System.out.println();
}
}
}
What is the result?
Options
- A97 98 99 100 null null null
- B97 98 99 100 101 102 103
- CCompilation rails.
- DA NullPointerException is thrown at runtime.
- EAn ArrayIndexOutOfBoundsException is thrown at runtime.
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Topics
#jagged arrays#nested loops#array initialization#null references