Basic Java Topic 2

Which of the following statements best defines a Java operator?

• A reserved keyword in Java used to define a method.

• A special symbol applied to variables, values, or literals to perform operations and return a result.

• A data type used to store a specific kind of value.

• A class in Java used for mathematical operations.

What type of operator is the ++ operator in Java?

• Binary

• Unary

• Ternary

• Comparison

What is the result of evaluating the following code?

int y = 4;

double x = 3 + 2 * --y;

• x = 10.0, y = 4

• x = 11.0, y = 3

• x = 9.0, y = 3

• 8.0, y = 2

What is operator precedence in Java?

• The process of evaluating operators from right to left.

• The order in which the Java Virtual Machine reads source code.

• The rules that determine the sequence in which operators are evaluated.

• A way to ensure operators of the same category are evaluated randomly.

If two operators have the same precedence, how does Java evaluate them?

• Randomly

• Right-to-left

• Left-to-right

• In alphabetical order

Which operator category does the >= operator belong to?

• Arithmetic

• Comparison

• Unary

• Bitwise

What type of operator is the ?: operator?

• Assignment

• Unary

• Conditional (Ternary)

• Bitwise

What will be the value of x in the following code snippet?

int y = 5;

double x = 2 + 4 * y--;

• 20.0

• 21.0

• 22.0

• 19.0

What is the primary purpose of binary arithmetic operators in Java?

• To perform logical operations only.

• To perform mathematical operations, logical expressions, and basic variable assignments.

• To handle String concatenation.

• To compare two variables.

In the expression int x = 2 5 + 3 4 - 8;, what is the final value of x after evaluating operator precedence?

• 18

• 14

• 20

• 10