Source Code : Catch ScriptException

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Catch ScriptException

     


import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

public class BindingDemo {
  public static void main(String[] args) {
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("js");
    engine.put("a", 1);
    engine.put("b", 5);

    Bindings bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    Object a = bindings.get("a");
    Object b = bindings.get("b");
    System.out.println("a = " + a);
    System.out.println("b = " + b);

    Object result;
    try {
      result = engine.eval("c = aaaa + bbbb;");
      System.out.println("a + b = " + result);
    } catch (ScriptException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

  }
}
/*a = 1
b = 5
javax.script.ScriptException: sun.org.mozilla.javascript.internal.EcmaError: ReferenceError: "aaaa" is not defined. (<Unknown source>#1) in <Unknown source> at line number 1
  at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:110)
  at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:124)
  at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:247)
  at BindingDemo.main(BindingDemo.java:22)
*/

          
    
    
    
  

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