AP Computer Science A Unit 4: Iteration

What is the output of the following code?

int x = 5;
while (true) {
    if (x <= 0) break;
    System.out.print(x + " ");
    x -= 2;
}

What is the output of the following code?

for (int i = 1; i <= 10; i += 3) {
    System.out.print(i + " ");
}

How many times does the following loop print "hello"?

for (int i = 0; i < 5; i++) {
    System.out.println("hello");
}

What is the output of the following code?

for (int i = 0; i < 3; i++) {
    for (int j = i; j < 3; j++) {
        System.out.print("* ");
    }
    System.out.println();
}

What is the output of the following code?

for (int i = 0; i < 5; i++) {
    if (i % 2 == 0) continue;
    System.out.print(i + " ");
}

What is the output of the following code?

String s = "coding";
int count = 0;
for (int i = 0; i < s.length(); i++) {
    if (s.charAt(i) == 'i' || s.charAt(i) == 'o') {
        count++;
    }
}
System.out.println(count);

What is the output of the following code?

int i = 1;
while (i < 16) {
    i *= 2;
}
System.out.println(i);

What is the value of count after the following code executes?

int count = 0;
for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 3; j++) {
        count++;
    }
}

What is the output of the following code?

int n = 100;
int count = 0;
while (n > 1) {
    n /= 2;
    count++;
}
System.out.println(count);

What is the output of the following code?

int x = 1;
do {
    System.out.print(x + " ");
    x *= 3;
} while (x < 30);

What is the output of the following code?

int sum = 0;
for (int i = 1; i <= 5; i++) {
    sum += i;
}
System.out.println(sum);

What is wrong with the following code that is supposed to print numbers 1 through 5?

for (int i = 1; i <= 5; i++) {
    System.out.println(i);
    if (i == 3) {
        i = 5;
    }
}