to String without ScientificNotation
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@ -11,10 +11,21 @@ import java.math.MathContext;
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import java.math.RoundingMode;
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import java.util.Random;
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import org.apache.commons.lang3.RandomStringUtils;
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import org.apache.commons.lang3.RandomUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.math.NumberUtils;
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import org.junit.jupiter.api.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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*
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*/
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public class BigDecimalDemoUnitTest {
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private static final Logger logger = LoggerFactory.getLogger(BigDecimalDemoUnitTest.class);
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@Test
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public void whenBigDecimalCreated_thenValueMatches() {
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BigDecimal bdFromString = new BigDecimal("0.1");
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@ -117,4 +128,67 @@ public class BigDecimalDemoUnitTest {
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.calculateTotalAmount(quantity, unitPrice, discountRate, taxRate);
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assertEquals("11.68", amountToBePaid.toString());
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}
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/**
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* To String without ScientificNotation
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*/
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@Test
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public void bigDecimalWithoutScientificNotation() {
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String input = RandomStringUtils.randomNumeric(12)
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+ "12345678901234567"
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+ "8901234567890123"
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+ "4567890123456789"
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+ "0123456789012345"
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+ "6789012345678901"
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+ "2345678901234567"
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+ "8901234567890123"
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+ "4567890123456789"
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+ "0123456789012345"
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+ "6789012345678901"
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+ "2345678901234567"
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+ "8901234567890123"
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+ "4567890123456789"
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+ "0123456789012345"
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+ "6789012345678901"
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+ "2345678901234567"
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+ "8901234567890123"
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+ "4554324324362432"
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+ "7674637264783264"
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+ "7832678463726478"
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+ "3264736274673864"
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+ "7364732463546354"
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+ "6354632564532645"
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+ "6325463546536453"
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+ "6546325463546534"
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+ "6325465345326456"
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+ "4635463263453264";
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// Converting to BigDecimal
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BigDecimal bigNumber = new BigDecimal(input);
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// Apply toString() method
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String numberStr = bigNumber.toString();
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// Print the result
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logger.info("{}", numberStr);
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}
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@Test
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public void bigDecimalScientificNotation() {
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// Create a BigDecimal object
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BigDecimal a;
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// Create a String object
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String s;
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// Set precision to 5
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MathContext mc = new MathContext(5);
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a = new BigDecimal("4536785E4", mc);
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// apply toString() method
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s = a.toString();
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// print the result
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System.out.println(s);
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}
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}
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