In this example, bigdecimal class setScale method working is demonstrated. Method return type is a bigdecimal value therefore it generates only bigdecimal object values.

Java bigdecimal setScale example

     

In this example, bigdecimal class setScale method working is demonstrated. Method return type is a bigdecimal value therefore it generates only bigdecimal object values. The returned bigdecimal object value is numerically equal to the object value in which the method is invoked. In short the returned value is numerically equivalent to this.object value.

While running the programs or any where if answer will come in scientific forms. Then here is the explanation.
for examle 5E + 2 means 5 * Ten to the power + 2
-55E - 6 means -55 * Ten to the power minus 6

Method throws NumberFormatException if it finds value other than integer and double. Method also throws ArithmeticException if the scale defined requires rounding. 


Syntax for using the method : public BigDecimal setScale(int newScale)
BigDecimal objects with names x & y;
System.out.print(x.setScale(int newScale));
or
y = x.setScale(int newScale);

Java_bigdecimal_setScale.java

import java.math.BigDecimal; public class Java_bigdecimal_setScale {   public static void main(String args[]) {   BigDecimal b1 = new BigDecimal(2),   result = new BigDecimal(0);   result = b1.setScale(2);   System.out.println("\nb1 object value :" +   " " + b1);   System.out.println("method generated " +   "result : " + result);   b1 = new BigDecimal(2);   result = b1.setScale(4);   System.out.println("\nb1 object value : " +   "" + b1);   System.out.println("method generated " +   "result : " + result);   b1 = new BigDecimal(78);   result = b1.setScale(0);   System.out.println("\nb1 object value : " +   "" + b1);   System.out.println("method generated " +   "result : " + result);   } }

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