java.math.BigDecimal.equals()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.math.BigDecimal.equals()方法的一些代码示例，展示了BigDecimal.equals()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。BigDecimal.equals()方法的具体详情如下：
包路径：java.math.BigDecimal
类名称：BigDecimal
方法名：equals

BigDecimal.equals介绍

[英]Returns true if x is a BigDecimal instance and if this instance is equal to this big decimal. Two big decimals are equal if their unscaled value and their scale is equal. For example, 1.0 (1010-1) is not equal to 1.00 (10010-2). Similarly, zero instances are not equal if their scale differs.
[中]如果x是一个BigDecimal实例，并且此实例等于此大小数，则返回true。如果两个大小数的未标度值和标度相等，则它们相等。例如，1.0（1010-1）不等于1.00（10010-2）。同样，如果零实例的比例不同，则零实例也不相等。

代码示例

代码示例来源：origin: com.h2database/h2

@Override
public boolean equals(Object other) {
  // Two BigDecimal objects are considered equal only if they are equal in
  // value and scale (thus 2.0 is not equal to 2.00 when using equals;
  // however -0.0 and 0.0 are). Can not use compareTo because 2.0 and 2.00
  // have different hash codes
  return other instanceof ValueDecimal &&
      value.equals(((ValueDecimal) other).value);
}

代码示例来源：origin: apache/incubator-shardingsphere

@Override
  public Comparable<?> getResult() {
    if (null == count || BigDecimal.ZERO.equals(count)) {
      return count;
    }
    // TODO 通过metadata获取数据库的浮点数精度值
    return sum.divide(count, 4, BigDecimal.ROUND_HALF_UP);
  }
}

代码示例来源：origin: stackoverflow.com

new BigDecimal( "0" ).equals( BigDecimal.ZERO) // true
new BigDecimal( "0.00" ).equals( BigDecimal.ZERO) // false!

代码示例来源：origin: graphql-java/graphql-java

@Override
public boolean isEqualTo(Node o) {
  if (this == o) {
    return true;
  }
  if (o == null || getClass() != o.getClass()) {
    return false;
  }
  FloatValue that = (FloatValue) o;
  return !(value != null ? !value.equals(that.value) : that.value != null);
}

代码示例来源：origin: hibernate/hibernate-orm

@Override
public boolean equals(Object o) {
  if ( this == o ) {
    return true;
  }
  if ( o == null || getClass() != o.getClass() ) {
    return false;
  }
  BigDecimalHolder that = (BigDecimalHolder) o;
  return this.value == null
      ? that.value == null
      : this.value.equals( that.value );
}

代码示例来源：origin: openhab/openhab1-addons

@Override
public String toString() {
  StringBuilder sb = new StringBuilder(latitude.toPlainString());
  sb.append(',');
  sb.append(longitude.toPlainString());
  if (!altitude.equals(BigDecimal.ZERO)) {
    sb.append(',');
    sb.append(altitude.toPlainString());
  }
  return sb.toString();
}

代码示例来源：origin: hibernate/hibernate-orm

public boolean equals(Object o) {
  if (this == o) return true;
  if (!(o instanceof MonetaryAmount)) return false;
  final MonetaryAmount monetaryAmount = (MonetaryAmount) o;
  if (!currency.equals(monetaryAmount.currency)) return false;
  if (!value.equals(monetaryAmount.value)) return false;
  return true;
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(BigDecimal)}.
 */
@Test
public void testToScaledBigDecimalBigDecimal() {
  assertTrue("toScaledBigDecimal(BigDecimal) 1 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(123.456)).equals(BigDecimal.valueOf(123.46)));
  // Test RoudingMode.HALF_EVEN default rounding.
  assertTrue("toScaledBigDecimal(BigDecimal) 2 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.515)).equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(BigDecimal) 3 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.525)).equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(BigDecimal) 4 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.525))
      .multiply(BigDecimal.valueOf(100)).toString()
      .equals("2352.00"));
  assertTrue("toScaledBigDecimal(BigDecimal) 5 failed",
    NumberUtils.toScaledBigDecimal((BigDecimal) null).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(Double)}.
 */
@Test
public void testToScaledBigDecimalDouble() {
  assertTrue("toScaledBigDecimal(Double) 1 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(123.456d)).equals(BigDecimal.valueOf(123.46)));
  // Test RoudingMode.HALF_EVEN default rounding.
  assertTrue("toScaledBigDecimal(Double) 2 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.515d)).equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(Double) 3 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.525d)).equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(Double) 4 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.525d))
      .multiply(BigDecimal.valueOf(100)).toString()
      .equals("2352.00"));
  assertTrue("toScaledBigDecimal(Double) 5 failed",
    NumberUtils.toScaledBigDecimal((Double) null).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(BigDecimal, int, RoundingMode)}.
 */
@Test
public void testToScaledBigDecimalBigDecimalIRM() {
  assertTrue("toScaledBigDecimal(BigDecimal, int, RoudingMode) 1 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(123.456), 1, RoundingMode.CEILING).equals(BigDecimal.valueOf(123.5)));
  assertTrue("toScaledBigDecimal(BigDecimal, int, RoudingMode) 2 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.5159), 3, RoundingMode.FLOOR).equals(BigDecimal.valueOf(23.515)));
  assertTrue("toScaledBigDecimal(BigDecimal, int, RoudingMode) 3 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.525), 2, RoundingMode.HALF_UP).equals(BigDecimal.valueOf(23.53)));
  assertTrue("toScaledBigDecimal(BigDecimal, int, RoudingMode) 4 failed",
    NumberUtils.toScaledBigDecimal(BigDecimal.valueOf(23.521), 4, RoundingMode.HALF_EVEN)
      .multiply(BigDecimal.valueOf(1000))
      .toString()
      .equals("23521.0000"));
  assertTrue("toScaledBigDecimal(BigDecimal, int, RoudingMode) 5 failed",
    NumberUtils.toScaledBigDecimal((BigDecimal) null, 2, RoundingMode.HALF_UP).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(Double, int, RoundingMode)}.
 */
@Test
public void testToScaledBigDecimalDoubleIRM() {
  assertTrue("toScaledBigDecimal(Double, int, RoudingMode) 1 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(123.456d), 1, RoundingMode.CEILING).equals(BigDecimal.valueOf(123.5)));
  assertTrue("toScaledBigDecimal(Double, int, RoudingMode) 2 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.5159d), 3, RoundingMode.FLOOR).equals(BigDecimal.valueOf(23.515)));
  assertTrue("toScaledBigDecimal(Double, int, RoudingMode) 3 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.525d), 2, RoundingMode.HALF_UP).equals(BigDecimal.valueOf(23.53)));
  assertTrue("toScaledBigDecimal(Double, int, RoudingMode) 4 failed",
    NumberUtils.toScaledBigDecimal(Double.valueOf(23.521d), 4, RoundingMode.HALF_EVEN)
      .multiply(BigDecimal.valueOf(1000))
      .toString()
      .equals("23521.0000"));
  assertTrue("toScaledBigDecimal(Double, int, RoudingMode) 5 failed",
    NumberUtils.toScaledBigDecimal((Double) null, 2, RoundingMode.HALF_UP).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(Float, int, RoundingMode)}.
 */
@Test
public void testToScaledBigDecimalFloatIRM() {
  assertTrue("toScaledBigDecimal(Float, int, RoudingMode) 1 failed",
    NumberUtils.toScaledBigDecimal(Float.valueOf(123.456f), 1, RoundingMode.CEILING).equals(BigDecimal.valueOf(123.5)));
  assertTrue("toScaledBigDecimal(Float, int, RoudingMode) 2 failed",
    NumberUtils.toScaledBigDecimal(Float.valueOf(23.5159f), 3, RoundingMode.FLOOR).equals(BigDecimal.valueOf(23.515)));
  // The following happens due to roundoff error. We're ok with this.
  assertTrue("toScaledBigDecimal(Float, int, RoudingMode) 3 failed",
    NumberUtils.toScaledBigDecimal(Float.valueOf(23.525f), 2, RoundingMode.HALF_UP).equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(Float, int, RoudingMode) 4 failed",
    NumberUtils.toScaledBigDecimal(Float.valueOf(23.521f), 4, RoundingMode.HALF_EVEN)
      .multiply(BigDecimal.valueOf(1000))
      .toString()
      .equals("23521.0000"));
  assertTrue("toScaledBigDecimal(Float, int, RoudingMode) 5 failed",
    NumberUtils.toScaledBigDecimal((Float) null, 2, RoundingMode.HALF_UP).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(Double, int, RoundingMode)}.
 */
@Test
public void testToScaledBigDecimalStringIRM() {
  assertTrue("toScaledBigDecimal(String, int, RoudingMode) 1 failed",
    NumberUtils.toScaledBigDecimal("123.456", 1, RoundingMode.CEILING).equals(BigDecimal.valueOf(123.5)));
  assertTrue("toScaledBigDecimal(String, int, RoudingMode) 2 failed",
    NumberUtils.toScaledBigDecimal("23.5159", 3, RoundingMode.FLOOR).equals(BigDecimal.valueOf(23.515)));
  assertTrue("toScaledBigDecimal(String, int, RoudingMode) 3 failed",
    NumberUtils.toScaledBigDecimal("23.525", 2, RoundingMode.HALF_UP).equals(BigDecimal.valueOf(23.53)));
  assertTrue("toScaledBigDecimal(String, int, RoudingMode) 4 failed",
    NumberUtils.toScaledBigDecimal("23.521", 4, RoundingMode.HALF_EVEN)
      .multiply(BigDecimal.valueOf(1000))
      .toString()
      .equals("23521.0000"));
  assertTrue("toScaledBigDecimal(String, int, RoudingMode) 5 failed",
    NumberUtils.toScaledBigDecimal((String) null, 2, RoundingMode.HALF_UP).equals(BigDecimal.ZERO));
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Test for {@link NumberUtils#toScaledBigDecimal(Double)}.
 */
@Test
public void testToScaledBigDecimalString() {
  assertTrue("toScaledBigDecimal(String) 1 failed",
    NumberUtils.toScaledBigDecimal("123.456").equals(BigDecimal.valueOf(123.46)));
  // Test RoudingMode.HALF_EVEN default rounding.
  assertTrue("toScaledBigDecimal(String) 2 failed",
    NumberUtils.toScaledBigDecimal("23.515").equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(String) 3 failed",
    NumberUtils.toScaledBigDecimal("23.525").equals(BigDecimal.valueOf(23.52)));
  assertTrue("toScaledBigDecimal(String) 4 failed",
    NumberUtils.toScaledBigDecimal("23.525")
      .multiply(BigDecimal.valueOf(100)).toString()
      .equals("2352.00"));
  assertTrue("toScaledBigDecimal(String) 5 failed",
    NumberUtils.toScaledBigDecimal((String) null).equals(BigDecimal.ZERO));
}

代码示例来源：origin: hibernate/hibernate-orm

@Override
public boolean equals(Object x, Object y) throws HibernateException {
  if (!(x instanceof DollarValue) || !(y instanceof DollarValue)) {
    throw new HibernateException("Expected DollarValue");
  }
  return ((DollarValue)x).getAmount().equals(((DollarValue)y).getAmount());
}

代码示例来源：origin: hibernate/hibernate-orm

public boolean equals(Object x, Object y) throws HibernateException {
  if ( x == y ) return true;
  if ( x == null || y == null ) return false;
  MonetaryAmount mx = (MonetaryAmount) x;
  MonetaryAmount my = (MonetaryAmount) y;
  return mx.getAmount().equals( my.getAmount() ) &&
      mx.getCurrency().equals( my.getCurrency() );
}

代码示例来源：origin: hibernate/hibernate-orm

@Override
public boolean equals(Object x, Object y) throws HibernateException {
  if (x==y) return true;
  if (x==null || y==null) return false;
  MonetoryAmount mx = (MonetoryAmount) x;
  MonetoryAmount my = (MonetoryAmount) y;
  return mx.getAmount().equals( my.getAmount() ) &&
    mx.getCurrency().equals( my.getCurrency() );
}

代码示例来源：origin: hibernate/hibernate-orm

public boolean equals(Object x, Object y) throws HibernateException {
  if ( x == y ) return true;
  if ( x == null || y == null ) return false;
  MonetaryAmount mx = (MonetaryAmount) x;
  MonetaryAmount my = (MonetaryAmount) y;
  return mx.getAmount().equals( my.getAmount() ) &&
      mx.getCurrency().equals( my.getCurrency() );
}

代码示例来源：origin: spring-projects/spring-framework

assertTrue("Correct double2 value", new Double("6.1").equals(accessor.getPropertyValue("double2")));
assertTrue("Correct double2 value", new Double("6.1").equals(target.getDouble2()));
assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(accessor.getPropertyValue("bigDecimal")));
assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(target.getBigDecimal()));

代码示例来源：origin: spring-projects/spring-framework

assertTrue("Correct double2 value", new Double("6.1").equals(accessor.getPropertyValue("double2")));
assertTrue("Correct double2 value", new Double("6.1").equals(target.getDouble2()));
assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(accessor.getPropertyValue("bigDecimal")));
assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(target.getBigDecimal()));

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