Preboard Revision

what kind of error does this code snippet lead to -

int y = 0;

int x = 15/y;

• logical

• syntax

• runtime

what kind of error will this lead to?

int a[] = new int[5];

for (int i=0; i<6;i++) {

System.out.println(a[i]);

}

• logical

• runtime

• syntax

• no error

what kind of error is this?

double x = 5.5;

short y = x;

• logical

• syntax

• runtime

What type of error?

int Sum = 0

int x = sum;

• logical

• syntax

• runtime

what is the type of error?

String s = "catch the error";

System.out.println(s)

• logical

• syntax

• runtime

• no error

In a program to find the maximum of 3 numbers, what is the type of error in the following code snippet?

int a = 2, b = 8, c = 6;

if (a > b && a > c)

System.out.println( a + " is the smallest Number");

else if (b > a && b > c)

System.out.println( b + " is the smallest Number")

else

System.out.println(c + " is the largest Number");

• logical

• syntax

• runtime

• no error

public static void main(String[] args) {

        int num = 789; nt reversednum = 0;         int remainder = 0;  

        while (num != 0) {

             remainder = num / 10;

            reversednum = reversednum * 10  + remainder;

         num /= 10;

        }

        System.out.println("Reversed number is " + reversednum);             

    }

• logical

• syntax

• runtime

• no error

Answer explanation

to get the last digit

 num %= 10;

 public static void main(String args[]) {

        System.out.println("Printing 1 to 5 \n");

        int i;

        for (i = 1; i <= 5; i++ {

            System.out.println(i + "\n");

        } 

    }

• logic

• syntax

• runtime

• no error

what is keyword to make a variable a constant in java?

what is happening in this code snippet?

Integer b = new Integer();

int x = b

• auto boxing

• unboxing