Java

Which of the following is the best description of a "relational operator"?

• Comparison symbols used in logical expressions

• Mathematical symbols used to calculate numeric results

• Links that control the relationships between objects

• None of these are true

Which of the following is the best description of a "relational operator"?

• Comparison symbols used in logical expressions

• Mathematical symbols used to calculate numeric results

• Links that control the relationships between objects

• None of these are true

Given two numbers A and B, which of the following expressions will be true when "A is less than B"?

• A < B

• A > B

• A == B

• A != B

Given two numbers A and B, which of the following expressions will be true when "A is equal to B"?

• A != B

• A == B

• A = B

• A.eq(B)

How many times will the following code print "Welcome to Java"?
int count = 0;
while (count <= 10) {
 System.out.println("Welcome to Java");
 count++;
}

• 8
• 9
• 10
• 0

What will this code display?

int i = 0;

do { System.out.print (i + ", ");

} while (i < 5);

• 0, 0, 0, 0, 0, 0, 0, 0, (repeat forever)

• 0, 1, 2, 3, 4,

• 1, 2, 3, 4, 5,

• Compile error

• 10,

True/False Do-while loops can be nested inside of other loops.

• True

• False

Which of the following is a type of polymorphism in Java?

• Compile time polymorphism

• Execution time polymorphism

• Multiple polymorphism

• Multilevel polymorphism

Which of these keywords is used to make a class?

• class

• struct

• int

• none of the mentioned

x /= 3

Which of the below statements matches with above statement?

• x = 3 / x

• x = x / 3

• x / 3

• x /x = 3