Power Operator
The Spring Expression Language (SpEL ) is a simple and powerful expression language
which helps to query and manipulate objects at runtime.
The following example shows using power operator.
package com.bethecoder.tutorials.spring3.tests.spel; import org.springframework.expression.ExpressionParser; import org.springframework.expression.spel.standard.SpelExpressionParser; public class PowerTest { /** * @param args */ public static void main ( String [] args ) { ExpressionParser parser = new SpelExpressionParser () ; Double value = parser.parseExpression ( "2^4" ) .getValue ( Double. class ) ; System.out.println ( value ) ; value = parser.parseExpression ( "1.2^2" ) .getValue ( Double. class ) ; System.out.println ( value ) ; value = parser.parseExpression ( "0xC ^3" ) .getValue ( Double. class ) ; System.out.println ( value ) ; } }
16.0
1.44
1728.0
