BigDecimal plus() method in Java

1. The java.math.BigDecimal.plus() is an inbuilt method in java that returns a BigDecimal whose value is (+this), and whose scale is this.scale(). This method, which simply returns this BigDecimal is included for symmetry with the unary minus method negate().
   Syntax: 
    

public BigDecimal plus()

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   Parameters: The function does not accepts any parameter.
   Return value: This method returns the object value i.e., this.
   Below program illustrates the working of the above mentioned method: 
   Program 1: 
    

The value of the BigDecimal is -45.652

1. 
   Program 2: 
    

The value of the BigDecimal is 7458.3256

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2. The java.math.BigDecimal.plus(MathContext mc) is an inbuilt method in java that returns a BigDecimal whose value is (+this), with rounding according to the context settings.
   Syntax: 
    

public BigDecimal plus(MathContext mc)

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   Parameters: This method accepts a single parameter mc which refers to the context of rounding to use i.e., up to what digit the value would be rounded.
   Return value: This method returns the value of BigDecimal Object, rounded as necessary. A zero result will have a scale of 0.
   Below program illustrates the working of the above mentioned method: 
   Program 1: 
    

Result of plus is -452.3

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   Program 2: 
    

Result of plus is -10.33

Reference: https://docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html#plus()