Week1Mock1MCQ32
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// import java.util.*;
public class Main {
public static void main(String[] args) {
// Harbor, Week 1, Mock 1, PR_PracticeTest_1.pdf
// AP CS A
// MCQ 32
int nums[][] = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}};
// I.
for (int r = 0; r < nums.length; r++)
{
for (int c = 0; c < nums[0].length; c++)
{
System.out.print(nums[r][c] + " ");
}
System.out.print("\n");
}
System.out.println();
// II.
for (int[] row: nums)
{
for (int col: row)
{
System.out.print (col + " ");
}
System.out.println("");
}
/*
// III will go out of bounds.
// ArrayIndexOutOfBoundsException
// The r (rows) will iterate as many times as there are columns.
// If there are fewer rows than columns, the index will go out of bounds.
for (int r = 0; r < nums[0].length; r++)
{
for (int c = 0; c < nums.length; c++)
{
System.out.print (nums[r][c] + " ");
}
System.out.print ("\n");
}
*/
}
}
Java
INFO