java public class ThrowExample { public static void main(String[] args) { try { checkAge(15); } catch (IllegalArgumentException e) { System.out.println("捕获到异常: " + e.getMessage()); } } public static void checkAge(int age) { if (age < 18) { throw new IllegalArgumentExce...
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...
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 ...
throw关键字会中断当前的执行流程,寻找合适的异常处理机制,而throws关键字将异常传递给调用者来处理。 public class Example {public void divide(int a, int b){if (b == 0) {throw new ArithmeticException("除数不能为0");}int result = a / b;System.out.println("结果为:" + result);}public stat...
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...
/** * @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...
* 例如：```javapublic void someMethod() throws IllegalArgumentException {// ... some code that ...
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：```java public void performDivision(int a, int b) { if (b == 0) { throw new...
publicclassReturnValueWrapper<T>{privatefinalTvalue;publicReturnValueWrapper(Tvalue){this.value=value;}publicTgetValue(){returnvalue;}}publicclassExample{publicstaticintdivide(intdividend,intdivisor){if(divisor==0){thrownewIllegalArgumentException("Divisor cannot be zero");}returndividend/divisor;}publicst...