JAVA FUNDAMENTALS

Which of the following can be operands of arithmetic operators?

• Numeric

• Boolean

• Both Numeric & Characters

• Characters

What will be the output of the following Java program?

class Output {

public static void main(String args[]) {

int a = 1;

int b = 2;

int c;

int d;

c = ++b;

d = a++;

c++;

b++;

++a;

System.out.println(a + " " + b + " " + c); }

}

• 3 2 4

• 3 2 3

• 2 3 4

• 2 4 4

• 3 4 4

Which of these can be returned by the operator &?

• Integer

• Boolean

• Integer or Boolean

• Character

What will be the output of the following Java program?

class comma_operator {

public static void main(String args[]) {

int sum = 0;

for (int i = 0, j = 0; i < 5 & j < 5; ++i, j = i + 1)

sum += i;

System.out.println(sum); }

}

• 5

• 4

• 6

• 14

Which of these can not be used for a variable name in Java?

• identifier

• identifier & keyword

• keyword

• none of the mentioned

What will be the output of the following Java code?

class operators {

public static void main(String args[]) {

int x = 8;

System.out.println(++x * 3 + " " + x); }

}

• 24 8

• 24 9

• 27 9

• 27 8

Which of the following is not an operator in Java?

• instanceof

• sizeof

• >>>=

• new

What will be the output of the following Java program?

class jump_statments {

public static void main(String args[]) {

int x = 2;

int y = 0;

for ( ; y < 10; ++y) {

if (y % x == 0)

continue;

else if (y == 8)

break;

else

System.out.print(y + " "); }

}

}

• 1 3 5 7

• 2 4 6 8

• 1 3 5 7 9

• 1 2 3 4 5 6 7 8 9

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

• while

• do-while

• for

• none of the mentioned

What will be the output of the following Java code?

class Relational_operator {

public static void main(String args[]) {

int var1 = 5;

int var2 = 6;

System.out.print(var1 > var2); }

}

• 5

• 6

• true

• false