在这个示例中,我们确保将字符串数组作为单个对象传递给invoke方法,从而避免了“wrong number of arguments”错误。 5. 总结并强调在Java反射中参数匹配的重要性 在Java反射中,参数匹配是确保方法调用成功的关键因素。必须仔细检查参数的数量和类型,以确保它们与被调用方法期望的参数完全匹配。特别是当处理数组参数时,要...
m.invoke(obj, (Object) new String[] {}); // 这里强制转成了object,所以也是object m.invoke(obj, new String[] {}); // 报错,这里是个数组,是个object数组,a方法只有一个参数,所以报错 } } 结果是 a a Exception in thread "main" java.lang.IllegalArgumentException: wrong number of arguments ...
m.invoke(obj,newString[] {});// 报错,这里是个数组,是个object数组,a方法只有一个参数,所以报错 } } 结果是 a a Exception in thread "main" java.lang.IllegalArgumentException: wrong number of arguments at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAcce...
java.lang.IllegalArgumentException: wrong number of arguments at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang....
arguments的问题解析如下: 1、错误bug java.lang.IllegalArgumentException: wrong number of arguments at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) ...
Java反射中java.lang.IllegalArgumentException wrong number of arguments异常解决 遇到的第一个关于反射的bug：java.lang.IllegalArgumentException:wrongnumberof arguments的问题解析如下： arguments的问题解析如下： 1、错误bug java.lang.IllegalArgumentException:wrongnumberofarguments atsun.reflect.NativeConstructor...
java反射中java.lang.illegalargumentexception wrong number of arguments异常解决(java反射中 java.lang.illegalargumentexception wrong number of arguments异常解决) The first encountered bug:java.lang.IllegalArgumentException: wrong number of on reflection Argumentss problem is resolved as follows: Argumentss ...
java.lang.illegalargumentexceptionwrongnumberofarguments 异常解决) Thefirstencounteredbug:java.lang.IllegalArgumentException: wrongnumberofonreflection Arguments'sproblemisresolvedasfollows: Arguments'sproblemisresolvedasfollows: 1,errorbug Java.lang.IllegalArgumentException:,wrong,number,of, arguments Atsun.ref...
arguments的问题解析如下: 1、错误bug wrong number of arguments at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAcces...
m.invoke(null, new int[] { 1, 2, 3 }); m = c.getMethod("show", String[].class); //m.invoke(null,new String[]{"A","B","C"});//ERROR:wrong number of arguments m.invoke(null, (Object) new String[] { "A", "B", "C" });// 强转为Object类型 ...