BalicantaYao

class Base{
  public void foo() throws FileNotFoundException {
    thorw new FileNotFoundException();
  }
}

class OverideTest extends Base{
  public void foo() throws IOException{
    throw new IOException();
  }

BalicantaYao

private static void runCase1() {
   int j = 10;
   Point point = new Point(4, 4);
   logger.info(“Before Modify Point {}, j ={}”, point, j);
     
   setPointLocation(point, j);
   logger.info(“After Modify Point {}, j ={}”, point, j);
   
   // Result 
   // Before Modify Point Point{y=4, x=4}, j =10

BalicantaYao

private static void runCase2() {
    int j = 10;
    Point point = new Point(4, 4);
    logger.info(“Before Modify Point {}, j ={}”, point, j);
    
    setPointWithAssign(point, j);
    logger.info(“After Modify Point {}, j ={}”, point, j);
    
    // Result 
    // Before Modify Point Point{y=4, x=4}, j =10

BalicantaYao

public static void main (String args[]){ 
  ServerSocket serverSocket = new ServerSocket(199);
  try{ 
    Socket socket = serverSocket.accept(); 
  } 
  finally{ 
    socket.close(); 
  } 
}

BalicantaYao

public void checkEmptyUserName(String username){  
    if(StringUtils.isBlank(userName)){
        throws new LoginFailedException("Username is empty!");
    }
}

BalicantaYao

public static class verfiyExceptionTest{  
  @Rule
  public ExpectedException thrown= ExpectedException.none();

  @Test
  public void throwsExceptionWithMessage() {
    // 預期 LoginFailed 會產生以及對應的 Exception message
    thrown.expect(LoginFailedException.class);
    thrown.expectMessage(startsWith("UserName"));

BalicantaYao

public void demoException() throws Exception{  
    try{
        throw new ("Exception A");
    } catch (Exception e){
        throw new Exception("Exception B");
    } finally {
        throw new Exception("Exception C");
    }
}

BalicantaYao

public void demoException() throws Exception{  
    try{
        throw new ("Exception A");
    } catch (Exception e){
        throw new NestableException("Exception B", e);
    } 
}

BalicantaYao

class Excperf {
  public void method1(int size){
    int [] ia = new int[size];
    try{
      for (int i = 0;i<size ; i++){
        ia[i] = i;
      }
    } catch (Exception e){
      
    }

BalicantaYao

package hello;

public class OCR {

    public static void main(String[] args)
    {
        String first = "ba6";
        String second = "1Ad";
        boolean res = Ocr(first, second);
        System.out.println(countingWordsLength(first));