Java Exam

What is the correct for loop?

• for(int i = 0; i < 3; i++);

• for(i = 0 < 3; i++);

• for int i = 0; i < 3; i++

• for(int i = 0; i < 3; i++)

What does this code print

for (int i = 3; i < 8; i++)

{

System.out.print(i + " ");

}

• 4 5 6 7 8

• 3 4 5 6 7

• 2 3 4 5 6

• 3 4 6 7 5

What does this code print?

for (int i = 3; i <= 9; i++)

{

System.out.print("*");

}

• 8

• 11

• 3

• 7

for (int i=1; i<30; i = i + 3)

{

if (i%2 == 0) System.out.print((i/2)+" ");

}

System.out.println();

• 6 3 4 7 11

• 5 6 9 1 5

• 2 5 8 11 14

• 8 9 16 0 9

for (int i=5; i>0; i--)

{

for (int j=0; j<i; j++)

System.out.print((2*i-j)+" ");

System.out.println();

}

• 9 3 4 5 6

  2 3 4 5

  2 3 4

  2 3

  2

• 6 7 8 9 10

  6 7 8 9

  7 8 9

  8 9

• 10 9 8 7 6

  8 7 6 5

  6 5 4

  4 3

  2

• 9 8 7 6 6

  9 8 7 6

  9 8 6

  9 8

  9

var i = 0;

while (i < 3) {

println("hi");

i++;

}

• hi hi hi

• hi

  hi

  hi

• hi

• hihihi

var i = 0;

while (i < 3) {

println("hi");

i++;

}

println("ant");

• hi

  ant

• hihihi

• hi hi hi ant

• hi

  hi

  hi

  ant

var i = 3;

while (i < 6) {

println(i);

i += 1;

}

• 3

  4

  5

• 3

  4

  5

  6

• 4

  5

  6

• 4

  5

What is the correct while loop?

• while(x > 5)

• while x > 4

• while x > 3():

• while x > 5;

int x = -5;

while (x < 0)

{

x++;

System.out.print(x + " ");

}

• -3 -2 -1 0

• -4 -3 -2 -1 0

• -3 -3 -3

• -2 -4 -6