Package com.helger.base.numeric.mutable

Class MutableInt

java.lang.Object
java.lang.Number
com.helger.base.numeric.mutable.AbstractMutableNumeric<MutableInt>
com.helger.base.numeric.mutable.AbstractMutableInteger<MutableInt>
com.helger.base.numeric.mutable.MutableInt
All Implemented Interfaces:
ICloneable<MutableInt>, IComparable<MutableInt>, INumber, IMutableInteger<MutableInt>, IMutableNumeric<MutableInt>, IMutableObject<MutableInt>, IGenericImplTrait<MutableInt>, Serializable, Comparable<MutableInt>
@NotThreadSafe public class MutableInt extends AbstractMutableInteger<MutableInt>
Object wrapper around an int so that it can be passed a final object but is mutable.
Author:
Philip Helger
See Also:

  • Constructor Details

    • MutableInt

      public MutableInt(@NonNull Number aValue)
      Initialize with a certain value.
      Parameters:
      aValue - The value to be used.

    • MutableInt

      public MutableInt(int nValue)
      Initialize with a certain value.
      Parameters:
      nValue - The value to be used.

  • Method Details

    • intValue

      public int intValue()
      Description copied from interface: INumber
      Returns the value of the specified number as an int, which may involve rounding or truncation.
      Specified by:
      intValue in interface INumber
      Specified by:
      intValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type int.

    • floatValue

      public float floatValue()
      Description copied from interface: INumber
      Returns the value of the specified number as a float, which may involve rounding.
      Specified by:
      floatValue in interface INumber
      Specified by:
      floatValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type float.

    • doubleValue

      public double doubleValue()
      Description copied from interface: INumber
      Returns the value of the specified number as a double, which may involve rounding.
      Specified by:
      doubleValue in interface INumber
      Specified by:
      doubleValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type double.

    • longValue

      public long longValue()
      Description copied from interface: INumber
      Returns the value of the specified number as a long, which may involve rounding or truncation.
      Specified by:
      longValue in interface INumber
      Specified by:
      longValue in class Number
      Returns:
      the numeric value represented by this object after conversion to type long.

    • inc

      public int inc()
      Increment by 1 and return the modified value.
      Returns:
      The by 1 incremented value.

    • inc

      public int inc(int nDelta)
      Increment by the given delta and return the modified value.
      Parameters:
      nDelta - The delta to add.
      Returns:
      The new value after incrementing.

    • inc

      public int inc(@NonNull Number aDelta)
      Increment by the given delta and return the modified value.
      Parameters:
      aDelta - The delta to add. May not be null.
      Returns:
      The new value after incrementing.

    • dec

      public int dec()
      Decrement by 1 and return the modified value.
      Returns:
      The by 1 decremented value.

    • dec

      public int dec(int nDelta)
      Decrement by the given delta and return the modified value.
      Parameters:
      nDelta - The delta to subtract.
      Returns:
      The new value after decrementing.

    • dec

      public int dec(@NonNull Number aDelta)
      Decrement by the given delta and return the modified value.
      Parameters:
      aDelta - The delta to subtract. May not be null.
      Returns:
      The new value after decrementing.

    • divide

      public int divide(int nDivisor)
      Divide the current value by the given divisor.
      Parameters:
      nDivisor - The divisor to use.
      Returns:
      The new value after division.

    • divide

      public int divide(@NonNull Number aDivisor)
      Divide the current value by the given divisor.
      Parameters:
      aDivisor - The divisor to use. May not be null.
      Returns:
      The new value after division.

    • multiply

      public int multiply(int nMultiplicand)
      Multiply the current value by the given multiplicand.
      Parameters:
      nMultiplicand - The multiplicand to use.
      Returns:
      The new value after multiplication.

    • multiply

      public int multiply(@NonNull Number aMultiplicand)
      Multiply the current value by the given multiplicand.
      Parameters:
      aMultiplicand - The multiplicand to use. May not be null.
      Returns:
      The new value after multiplication.

    • set

      public @NonNull EChange set(int nValue)
      Set a new value.
      Parameters:
      nValue - The new value to set.
      Returns:
      EChange.CHANGED if the value was changed.

    • set

      public @NonNull EChange set(@NonNull Number aValue)
      Set a new value.
      Parameters:
      aValue - The new value to set. May not be null.
      Returns:
      EChange.CHANGED if the value was changed.

    • is0

      public boolean is0()
      Returns:
      true if the value is 0

    • isLT0

      public boolean isLT0()
      Returns:
      true if the value is < 0

    • isLE0

      public boolean isLE0()
      Returns:
      true if the value is ≤ 0

    • isGT0

      public boolean isGT0()
      Returns:
      true if the value is > 0

    • isGE0

      public boolean isGE0()
      Returns:
      true if the value is ≥ 0

    • isEven

      public boolean isEven()
      Returns:
      true if the value is even

    • getAndInc

      public int getAndInc()
      Get the current value and then increment by 1.
      Returns:
      The value before incrementing.

    • incAndGet

      public int incAndGet()
      Increment by 1 and then get the new value.
      Returns:
      The value after incrementing.

    • compareTo

      public int compareTo(@NonNull MutableInt rhs)

    • getClone

      public @NonNull MutableInt getClone()
      Returns:
      A 100% deep-copy of the implementing class.

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object