Which loop structure in Java allows the code block to be executed at least once, even if the condition is false initially?
Which loop structure is best suited for iterating over an array or a collection?
What is the output of the following code snippet?
int i = 0;
while (i < 5) {
System.out.print(i + " ");
i++;
}
What is the output of the following code snippet?
for (int i = 10; i > 0; i -= 2) {
System.out.print(i + " ");
}
What is the output of the following code snippet?
int i = 0;
do {
System.out.print(i + " ");
i++;
} while (i < 5);
Which loop structure is best suited when the number of iterations is known in advance?
What is the output of the following code snippet?
int i = 5;
while (i > 0) {
System.out.print(i + " ");
i--;
}
What is the output of the following code snippet?
int sum = 0;
for (int i = 1; i <= 5; i++) {
sum += i;
}
System.out.println(sum);
What is the output of the following code snippet?
int x = 3;
while (x > 0) {
System.out.print(x + " ");
x--;
}
What is the output of the following code snippet?
int i = 0;
do {
System.out.print(i + " ");
i += 2;
} while (i < 5);
What is the output of the following code snippet?
int i = 10;
do {
System.out.print(i + " ");
i -= 3;
} while (i > 0);
What is the output of the following code snippet?
int i = 0;
while (i < 5) {
System.out.print(i + " ");
i++;
if (i == 3) {
break;
}
}
What is the output of the following code snippet?
int i = 0;
while (i < 5) {
if (i % 2 == 0) {
i++;
continue;
}
System.out.print(i + " ");
i++;
}
What is the output of the following code snippet?
int i = 0;
while (i < 3) {
int j = 0;
while (j < 2) {
System.out.print(i + "" + j + " ");
j++;
}
i++;
}
What is the output of the following code snippet?
int i = 1;
while (i <= 3) {
for (int j = 0; j < i; j++) {
System.out.print("*");
}
System.out.println();
i++;
}
What is the output of the following code snippet?
int i = 2;
while (i <= 6) {
System.out.print(i + " ");
i += 2;
}
What is the output of the following code snippet?
int i = 1;
while (i < 5) {
if (i == 3) {
i++;
continue;
}
System.out.print(i + " ");
i++;
}
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