import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;


public class Test {
public static void main(String[] args) {
ExpressionParser parser = new SpelExpressionParser();

//arithmetic operator
System.out.println(parser.parseExpression("'Welcome SPEL'+'!'").getValue());
System.out.println(parser.parseExpression("10 * 10/2").getValue());
System.out.println(parser.parseExpression("'Today is: '+ new java.util.Date()").getValue());

//logical operator
System.out.println(parser.parseExpression("true and true").getValue());

//Relational operator
System.out.println(parser.parseExpression("'sonoo'.length()==5").getValue());
}
}