调用JavaScript实现字符串计算器

调用JavaScript实现字符串计算器

@Frosero
package scc;

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

public class Counter {

public static void main(String[] args) {
// TODO Auto-generated method stub
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine SE = manager.getEngineByName("js");
String Numbers = new String("1+2/5");
try {
String ans = SE.eval(Numbers).toString();
System.out.println(ans);
} catch (ScriptException e) {
e.printStackTrace();
}
}

}