Miscellaneous

Can we perform mathematical operations on string?

Can we perform mathematical operations on string?

Mathematical operations can be performed on a string. Explanation: You can’t perform mathematical operation on string even if the string is in the form: ‘1234…’. 6. Explanation: “Addition and Subtraction” are at the same precedence level.

Can you do mathematical operations with variables?

Algebraic Expressions An algebraic expression is a number, variable or combination of the two connected by some mathematical operation like addition, subtraction, multiplication, division, exponents, and/or roots.

What is the mathematical operator used for?

Arithmetic Operators are used to perform mathematical calculations. Assignment Operators are used to assign a value to a property or variable. Assignment Operators can be numeric, date, system, time, or text. Comparison Operators are used to perform comparisons.

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What are the mathematical operations in programming?

Overview. The basic arithmetic operations are addition, subtraction, multiplication, and division.

What operators Cannot be performed on strings?

Q. What arithmetic operators cannot be used with strings?
C.
D. all of the mentioned
Answer» c. –
Explanation: + is used to concatenate and * is used to multiply strings.

Which of the following mathematical operators can be used to repeat strings?

Explanation: + is used to concatenate and * is used to multiply strings.

What operations can you perform with variables?

Concept: Basic math operators with variables

  • Multiplication ( * ) and Division ( / )
  • Addition ( + ) and Subtraction ( – )

What are the four rules of maths?

The four rules of mathematics are adding, subtracting, multiplying and dividing.

Why should we study about the concepts of mathematical operations?

If we are able to understand mathematics and arrive at logical solutions, we will be able to prepare our minds when we have real problems. We can look for the best logic, see the possible solutions and relate the data we have to reach the conclusion.”

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What logical operators Cannot be used with strings?

What arithmetic operators cannot be used with strings? Explanation: + is used to concatenate and * is used to multiply strings. 6.

Why can it be helpful to perform mathematical calculations using programming?

Why can it be helpful to perform mathematical calculations using programming? Because computers can quickly do calculations much larger and complex than humans.

Why can’t a string contain a mathematical operation?

A string can contain letters, numbers, or symbols. It would be a waste of time to create a language which recognizes you’ve placed valid operands in a particular string this particular time and therefore will default to a mode where you can perform mathematical operations this particular time.

Why is a string immutable?

String is immutable for several reasons, here is a summary: Security: parameters are typically represented as String in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.

What is the use of a string object in Java?

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Caching: when compiler optimizes your String objects, it sees that if two objects have same value (a=”test”, and b=”test”) and thus you need only one string object (for both a and b, these two will point to the same object). Class loading: String is used as arguments for class loading.