首先，我们知道Java有3种抛出异常的形式：throw（执行的时候一定抛出某种异常对象）, throws（出现异常的可能性，不一定会发生）, 系统自动抛异常。throw用在一个语句抛出异常的时候，throw (an instance of exception class)比如一个方法/函数里，try{…}catch(Exception e){throw new ArithmeticException...
Exception in thread "main"java.lang.ArithmeticException: / by zero at test.ExceptionTest.main(ExceptionTest.java:62) 再如: 系统会自动抛出NumberFormatException异常: Exception in thread "main"java.lang.NumberFormatException: For input string: "abc" at sun.misc.FloatingDecimal.readJavaFormatString(Float...
Exception in thread"main"java.lang.ArithmeticException: / by zero at com.sywf.study.ThrowTest.main(ThrowTest.java:8) 2、throw throw 指的是语句抛出异常,后面跟的是对象,如:throw new Exception,一般用于主动抛出某种特定的异常,如: publicclassThrowTest{publicstaticvoidmain(String[] args){Stringstring...
import java.util.Scanner; public class Main { static int avg(int number1,int number2) throws Exception{ if(number2==0){ throw new Exception(""); } return (number1/number2); } public static void main(String[] args) { Scanner in = new Scanner(System.in); int num1,num2; try{ nu...
Exception in thread "main" java.lang.ArithmeticException at Throws_throw.Throws.method(Throws.java:14) at Throws_throw.Throws.main(Throws.java:6) 进程已结束,退出代码为 1 */ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.
[java]view plaincopy 1.publicstaticvoidmain(String[]args){ 2.inta=5,b=0; 3.System.out.println(5/b); 4.//function(); 5.} 系统会自动抛出ArithmeticException异常: Exceptioninthread"main"java.lang.ArithmeticException:/byzero attest.ExceptionTest.main(ExceptionTest.java:62) ...
Exception in thread "main" java.lang.ArithmeticException: / by zero at test.ExceptionTest.main(ExceptionTest.java:62) 再如 代码语言:javascript 代码运行次数:0 运行 AI代码解释 1publicstaticvoidmain(String[]args){2String s="abc";3System.out.println(Double.parseDouble(s));4//function();5} ...
Exceptioninthread"main"java.lang.ArithmeticException: 年纪未满 18 岁,禁止观影atcom.itwanger.s43.ThrowDemo.checkEligibilty(ThrowDemo.java:9)atcom.itwanger.s43.ThrowDemo.main(ThrowDemo.java:16) 1. 2. 3. “throws 关键字的作用就和 throw 完全不同。”我说,“异常处理机制这小节中讲了 checked ...
系统会自动抛出ArithmeticException异常: Exception in thread "main" java.lang.ArithmeticException: / by zero at test.ExceptionTest.main(ExceptionTest.java:62) 再如 public static void main(String[] args) { String s = "abc"; System.out.println(Double.parseDouble(s)); ...
系统会自动抛出ArithmeticException异常: Exception in thread "main"java.lang.ArithmeticException: / by zero at test.ExceptionTest.main(ExceptionTest.java:62) 再如 1publicstaticvoidmain(String[] args) {2String s = "abc";3System.out.println(Double.parseDouble(s));4//function();5} ...