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import java.io.StringWriter;
import java.io.Writer;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.tools.generic.MathTool;
public class MathToolExample {
public static void main(String[] args) throws Exception {
Velocity.init();
Template t = Velocity.getTemplate("./src/mathTool.vm");
VelocityContext ctx = new VelocityContext();
ctx.put("math", new MathTool());
ctx.put("aNumber", new Double(5.5));
Writer writer = new StringWriter();
t.merge(ctx, writer);
System.out.println(writer);
}
}
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$aNumber - 3.2 = $math.sub($aNumber, "3.2")
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velocity-MathTool-Subtract.zip( 875 k)