public static void main(String[] args) {
int a = 5, b =0;
System.out.println(5/b);
//function();
}
Exception in thread "main" java.lang.ArithmeticException: / by zero at test.ExceptionTest.main(ExceptionTest.java:62)
public static void main(String[] args) {
String s = "abc";
System.out.println(Double.parseDouble(s));
//function();
}
Exception in thread "main" java.lang.NumberFormatException: For input string: "abc" at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1224) at java.lang.Double.parseDouble(Double.java:510) at test.ExceptionTest.main(ExceptionTest.java:62)
throw e;
public static void main(String[] args) {
String s = "abc";
if(s.equals("abc")) {
throw new NumberFormatException();
} else {
System.out.println(s);
}
//function();
}
Exception in thread "main" java.lang.NumberFormatException at test.ExceptionTest.main(ExceptionTest.java:67)
public void function() throws Exception{......}
public static void function() throws NumberFormatException{
String s = "abc";
System.out.println(Double.parseDouble(s));
}
public static void main(String[] args) {
try {
function();
} catch (NumberFormatException e) {
System.err.println("非数据类型不能转换。");
//e.printStackTrace();
}
}
void doA(int a) throws IOException,{
try{
......
}catch(Exception1 e){
throw e;
}catch(Exception2 e){
System.out.println("出错了!");
}
if(a!=b)
throw new Exception3("自定义异常");
}
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