在Java中,throw语句用于抛出一个实例化的异常对象。代码执行到throw语句时,会立即中止当前方法的执行,并将控制权转移到调用该方法的地方(或更高一层的异常处理代码中)。 示例代码: publicclassExceptionExample{publicstaticvoidmain(String[]args){try{checkAge(15);}catch(IllegalArgumentExceptione){System.out.print...
以下是一个使用 throw 来抛出异常的Java示例: java public class ExceptionExample { public static void main(String[] args) { try { checkAge(15); } catch (IllegalArgumentException e) { System.out.println("Caught an exception: " + e.getMessage()); } } public static void checkAge(int age)...
publicclassThrowExample{publicstaticvoidmain(String[]args){try{validateAge(15);// 这是一个未成年人}catch(IllegalArgumentExceptione){System.out.println("Caught an exception: "+e.getMessage());}}privatestaticvoidvalidateAge(intage){if(age<18){thrownewIllegalArgumentException("Age must be 18 or ...
/** * @throws IllegalArgumentException if the parameter is invalid */ public void someMethod(int param) { if (param < 0) { throw new IllegalArgumentException("Parameter cannot be negative."); } } Powered By Learn Java Essentials Build your Java skills from the ground up and master progr...
public void checkAge(int age) {if (age < 0) {throw new IllegalArgumentException("年龄不能为负数");}} 二. throws关键字: 1.作用: throws关键字用于指定方法可能抛出的异常。它标识了哪些异常可以传递到方法的调用者,需要调用者进行相应的处理。
throw exception用法 throw exception在编程中用于抛出异常。它的语法格式为: throw [可抛出的异常对象]; 以下是一个throw exception的使用示例: ```java public class Example { public static void main(String[] args) { int age = -1; try { if (age < 0) { throw new IllegalArgumentException("年龄...
publicclassThrowExample{publicstaticvoidvalidateAge(int age){if(age<18){thrownewIllegalArgumentException("Age must be 18 or older");}else{System.out.println("Access granted");}}publicstaticvoidmain(String[]args){try{validateAge(15);}catch(IllegalArgumentException e){System.out.println("Caught ...
* 例如：```javapublic void someMethod() throws IllegalArgumentException {// ... some code that ...
For example, I have one set of tests wherexalanis on the classpath: Caused by: java.lang.IllegalArgumentException: TransformerFactory does not recognise attribute 'http://javax.xml.XMLConstants/property/accessExternalDTD'. at org.apache.xalan.xsltc.trax.TransformerFactoryImpl.setAttribute(Transformer...
publicclassInputValidator{publicvoidvalidateAge(intage){if(age<0){thrownewIllegalArgumentException("年龄不能为负数");}}publicstaticvoidmain(String[]args){InputValidatorvalidator=newInputValidator();validator.validateAge(-5);// 将抛出异常}}