関連ワード:  class java.lang.string cannot be cast to class    class java.lang.string cannot be cast to class java.lang.integer    class java.lang.string cannot be cast to class java.lang.number    class java.lang.string cannot be cast to class java.util.map    class java.lang.string cannot be cast to class java.util.uuid    class java.lang.string cannot be cast to class org.json.simple.jsonobject    class java.lang.string cannot be cast to class java.lang.double    class java.lang.string cannot be cast to class java.math.bigdecimal    class java.lang.string cannot be cast to class java.lang.long    class java lang string cannot be cast to class b  
結果 : class java.lang.string cannot be cast to class