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Section 7.13 Loops-WE6-P1
Subgoals for Evaluating a Loop.
-
Identify loop parts
Determine start condition
Determine update condition
Determine termination condition
Determine body that is repeated
-
Trace the loop
For every iteration of loop, write down values
Subsection 7.13.1
Exercises Exercises
1.
Q15: What is the output of the following loop?
for (int m = 0; m < 4; m++)
{
for (int n = 5; n >= 0; n--)
{
System.out.print("#");
}
System.out.println();
}
5 lines of ###
3 lines of #####
4 lines of ######
5 lines of ####
Compilation error
2.
Q16: What is the output of the following loop?
for (int m = 0; m < 4; m++)
{
for (int n = 0; n <= m; n++)
{
System.out.print("$");
}
System.out.println();
}
See diagram for answer A
See diagram for answer B
See diagram for answer C
See diagram for answer D
See diagram for answer E
3.
Q17: What is the output of the following loop?
for (int m = 1; m < 5; m++)
{
for (int n = 1; n <= m; n++)
{
System.out.print(" ");
}
System.out.println("$");
}
See diagram for answer A
See diagram for answer B
See diagram for answer C
See diagram for answer D
See diagram for answer E
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