实际上，DatastoreReader接口有一个默认的实现抛出一个UnsupportedOperationException，你可以在GitHub上看到。...
publicclassExample{publicstaticvoidmain(String[]args){SomeClasssomeObject=newSomeClass();someObject.notImplementedMethod();}}publicclassSomeClass{publicvoidnotImplementedMethod(){thrownewNotImplementedException();}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 在上面的代码中,SomeClass类中的not...
*/protectedstaticGraphchooseGraph(DatasetGraph dataset, Node graphNode){if( graphNode ==null)returndataset.getDefaultGraph() ;elseif( Var.isVar(graphNode) )thrownewNotImplemented("Choosing a graph OpExecutorStage.executeBlockFilter[Variable]") ;elseif( graphNode == Node.ANY )thrownewNotImplemente...
*/@OverridepublicHTableDescriptorremove(finalTableName tablename)throwsIOException{if(fsreadonly) {thrownewNotImplementedException("Cannot remove a table descriptor - in read only mode"); } Path tabledir = getTableDir(tablename);if(this.fs.exists(tabledir)) {if(!this.fs.delete(tabledir,true))...
throw的作用:在方法内部抛出一个Throwable 类型的异常。任何Java代码都可以通过throw语句抛出异常。 具体如何抛出一个异常呢? 创建一个异常对象。封装一些提示信息(信息可以自己编写)。 需要将这个异常对象告知给调用者。怎么告知呢?怎么将这个异常对象传递到调用者处呢?通过关键字throw就可以完成。throw异常对象。 throw...
java.lang.UnsupportedOperationException是不支持功能异常，常常出现在使用Arrays.asList()后调用add，remove这些method时。这是由于：Arrays.asList() 返回java.util.Arrays$ArrayList， 而不是ArrayList。Arrays$ArrayList和ArrayList都是继承AbstractList，remove，add等 method在AbstractList中是默认throw ...
publicclass错误和错误 {Errorerror =newError();publicstaticvoidmain(String[] args) {thrownewError(); }//下面这四个异常或者错误有着不同的处理方法publicvoiderror1 (){//编译期要求必须处理,因为这个异常是最顶层异常,包括了检查异常,必须要处理try{thrownewThrowable(); }catch(Throwablethrowable) { ...
throw new UnsupportedOperationException("Not yet implemented"); } 1. 2. 3. 7 什么是“异常链”? “异常链”是 Java 中非常流行的异常处理概念,是指在进行一个异常处理时抛出了另外一个异常,由此产生了一个异常链条。该技术大多用于将“ 受检查异常” ( checked exception)封装成为“非受检查异常”(uncheck...
, response.getResponseAction()); throw ApiException.notImplemented(msg); } } 代码来源:org.tiogasolutions.notify/tioga-notify-kernelApiException.fromCode(...)public static ApiException fromCode(HttpStatusCode httpStatusCode, String message, Throwable ex, String...traits) { switch (httpStatusCode)...
*/publicKerberosPrincipal(String name,inttype)// Marked as unimplemented because we don't look for the realm as needed.throwsNotImplementedException{if(type < KRB_NT_UNKNOWN || type > KRB_NT_UID)thrownewIllegalArgumentException("unknown type: "+ type);this.name = name;this.type = type;thi...