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What is non-terminating decimal number?
A non-terminating, non-repeating decimal is a decimal number that continues endlessly, with no group of digits repeating endlessly. Decimals of this type cannot be represented as fractions, and as a result are irrational numbers.
What is non-terminating number example?
Non-terminating decimals are the one that does not have an end term. It has an infinite number of terms. Example: 0.5444444….., 0.1111111….., etc.
What is terminating decimal expansion?
A number has a terminating decimal expansion if the digits after the decimal point terminate or are finite. The fraction 5/10 has the decimal expansion of 0.5, which is a terminating decimal expansion because digits after the decimal point end after one digit.
What is scale and precision in BigDecimal?
A BigDecimal consists of an arbitrary precision integer unscaled value and a 32-bit integer scale. If zero or positive, the scale is the number of digits to the right of the decimal point. If negative, the unscaled value of the number is multiplied by ten to the power of the negation of the scale.
Which of the following is non terminating decimal expansion?
So, 71 is a non terminating repeating decimal.
What is non terminating decimal Class 9?
A non-terminating decimal is a decimal with an infinite number of digits after the decimal point. A non-terminating, recurring decimal is a decimal in which some digits after the decimal point repeat without terminating. A non-terminating, recurring decimal can be expressed as \(\frac{p}{q}\) form.
What is terminating and non terminating example?
Terminating decimals are numbers that end after a few repetitions, after the decimal point. Example: 0.6, 4.789, 274.234 are some examples of terminating decimals. Non-terminating decimals are numbers that keep going after the decimal point.
Is 0.329 a terminating decimal?
Therefore, 0.239 is a terminating decimal. Hence, the given assertion is TRUE. Check whether the given Reason is true or not. Reason: A decimal in which a digit or a set of digits is repeated periodically, is called a repeating or a recurring decimal.
How do you find terminating and non terminating?
Just divide the numerator by the denominator . If you end up with a remainder of 0 , then you have a terminating decimal. Otherwise, the remainders will begin to repeat after some point, and you have a repeating decimal.
How do you get precision of BigDecimal?
precision() method returns the precision of this BigDecimal. The precision is the number of digits in the unscaled value. The precision of a zero value is 1.
What is unscaled value?
Unscaled value – an arbitrary precision integer. Scale – a 32-bit integer representing the number of digits to the right of the decimal point.
What is default precision of BigDecimal in Java?
BigDecimal represents decimal floating-point numbers of arbitrary precision. By default, the precision approximately matches that of IEEE 128-bit floating point numbers (34 decimal digits, HALF_EVEN rounding mode).
What does non terminating mean?
Definition of nonterminating
: not terminating or ending especially : being a decimal for which there is no place to the right of the decimal point such that all places farther to the right contain the entry 0 ¹/₃ gives the nonterminating decimal . 33333 …
What is a terminating number?
A terminating decimal, true to its name, is a decimal that has an end. For example, 1 / 4 can be expressed as a terminating decimal: It is 0.25. In contrast, 1 / 3 cannot be expressed as a terminating decimal, because it is a recurring decimal, one that goes on forever.
Is the number 0 a rational number?
Yes, 0 is a rational number. Since we know, a rational number can be expressed as p/q, where p and q are integers and q is not equal to zero. Thus, we can express 0 as p/q, where p is equal to zero and q is an integer.
What is a non terminating division?
A non-terminating division is a division that, regardless of how far we carry it out, always has a remainder. Definition: Repeating Decimal. We can see that the pattern in the brace is repeated endlessly. Such a decimal quotient is called a repeating decimal.
java – ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result” – Stack Overflow
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result” – Intellipaat Community
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
From the Java 11 BigDecimal docs:
When a MathContext object is supplied with a precision setting of 0 (for example, MathContext.UNLIMITED ), arithmetic operations are exact, as are the arithmetic methods which take no MathContext object. (This is the only behavior that was supported in releases prior to 5.)
As a corollary of computing the exact result, the rounding mode setting of a MathContext object with a precision setting of 0 is not used and thus irrelevant. In the case of divide, the exact quotient could have an infinitely long decimal expansion; for example, 1 divided by 3.
ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
Here’s are some lines mentioned in Java docs :
When a MathContext object is supplied with a precision setting of 0 (for example, MathContext.UNLIMITED), arithmetic operations are exact, as are the arithmetic methods which take no MathContext object. (This is the only behavior that was supported in releases before 5.)
As a corollary of computing the exact result, the rounding mode setting of a MathContext object with a precision setting of 0 is not used and thus irrelevant. In the case of the divide, the exact quotient could have an infinitely long decimal expansion; for example, 1 divided by 3.
If the quotient has a nonterminating decimal expansion and the operation is specified to return an exact result, an ArithmeticException is thrown. Otherwise, the exact result of the division is returned, as done for other operations.
To solve this, you need to try something like this:
a.divide(b, 2, RoundingMode.HALF_UP)
where 2 is precision and RoundingMode.HALF_UP is rounding mode
For more details click here.
How to fix “java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.”
Overview
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Error Messages
package com.jackrutorial; import java.math.BigDecimal; public class Test { public static void main(String[] args) { BigDecimal num1 = new BigDecimal(“10”); BigDecimal num2 = new BigDecimal(“3”); BigDecimal result = num1.divide(num2); System.out.println(result); } }
Exception in thread “main” java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. at java.math.BigDecimal.divide(BigDecimal.java:1690) at com.jackrutorial.Test.main(Test.java:11)
How to fix those error messages?
Way 1:
BigDecimal result = num1.divide(num2, 2, RoundingMode.HALF_DOWN);
2
RoundingMode.HALF_DOWN
UP, DOWN, CEILING, FLOOR, HALF_DOWN, HALF_EVEN, HALF_UP
UNNECESSARY
package com.jackrutorial; import java.math.BigDecimal; import java.math.RoundingMode; public class Test { public static void main(String[] args) { BigDecimal num1 = new BigDecimal(“10”); BigDecimal num2 = new BigDecimal(“3”); BigDecimal result = num1.divide(num2, 2, RoundingMode.HALF_DOWN); System.out.println(result); } }
3.33
Way 2:
num1.divide(num2, MathContext.DECIMAL128)
package com.jackrutorial; import java.math.BigDecimal; import java.math.RoundingMode; public class Test { public static void main(String[] args) { BigDecimal num1 = new BigDecimal(“10”); BigDecimal num2 = new BigDecimal(“3”); BigDecimal result = num1.divide(num2, MathContext.DECIMAL128); System.out.println(result); } }
3.333333333333333333333333333333333
In this tutorial, we show you how to fix the error messages “java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.” when we use java.math.BigDecimal to divide two values.The following simple code snippet demonstrates the error messagesWhen the above code is executed, the expected exception is encountered as the following error messagesYou have to modify the source code belowis scale of the BigDecimal quotient to be returned.is Rounding mode to apply. The Rounding Mode Enum constants are, andThe output of the above code isMathContext.DECIMAL32MathContext.DECIMAL64MathContext.DECIMAL128The output of the above code is
So you have finished reading the non terminating decimal expansion no exact representable decimal result topic article, if you find this article useful, please share it. Thank you very much. See more: BigDecimal divide, BigDecimal compareTo, BigDecimal divide round to 2 decimal places, BigDecimal one, Bigdecimal type, RoundingMode trong Java, BigDecimal add, Bigdecimal set precision
