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DecimalFormat("##E0") in Java
DecimalFormat is a concrete subclass of NumberFormat that formats decimal numbers. Let us set DecimalFormat("##E0") and use the format() method as well.
DecimalFormat decFormat = new DecimalFormat("##E0"); System.out.println(decFormat.format(-189.8787)); System.out.println(decFormat.format(8.19)); System.out.println(decFormat.format(9897.88));
Since, we have used DecimalFormat class in Java, therefore importing the following package is a must −
import java.text.DecimalFormat;
The following is the complete example −
Example
import java.text.DecimalFormat; public class Demo { public static void main(String[] argv) throws Exception { DecimalFormat decFormat = new DecimalFormat("##E0"); System.out.println(decFormat.format(-189.8787)); System.out.println(decFormat.format(8.19)); System.out.println(decFormat.format(9897.88)); System.out.println(decFormat.format(1.9099)); System.out.println(decFormat.format(12.788)); System.out.println(decFormat.format(9.678)); } }
Output
-1.9E2 8.2E0 99E2 1.9E0 13E0 9.7E0
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