android異常整理

NullPointerException 空指針異常

• 繼承結構：
  
• 代碼：

  
  /**
   *
   * Thrown when an application attempts to use {@code null} in a
   * case where an object is required. These include:
   * <ul>
   * <li>Calling the instance method of a {@code null} object.
   * <li>Accessing or modifying the field of a {@code null} object.
   * <li>Taking the length of {@code null} as if it were an array.
   * <li>Accessing or modifying the slots of {@code null} as if it
   *     were an array.
   * <li>Throwing {@code null} as if it were a {@code Throwable}
   *     value.
   * </ul>
   * <p>
   * Applications should throw instances of this class to indicate
   * other illegal uses of the {@code null} object.
   *
   * {@code NullPointerException} objects may be constructed by the
   * virtual machine as if {@linkplain Throwable#Throwable(String,
   * Throwable, boolean, boolean) suppression were disabled and/or the
   * stack trace was not writable}.
   *
   * @author  unascribed
   * @since   JDK1.0
   */
    public class NullPointerException extends RuntimeException {
    private static final long serialVersionUID = 5162710183389028792L;
  
      /**
       * Constructs a {@code NullPointerException} with no detail message.
       */
      public NullPointerException() {
          super();
      }
  
      /**
       * Constructs a {@code NullPointerException} with the specified
       * detail message.
       *
       * @param   s   the detail message.
       */
      public NullPointerException(String s) {
          super(s);
      }
   }
  

IllegalArgumentException 參數不合法異常

UnsupportedOperationException 功能不支持異常

IndexOutOfBoundsException 數組下標越界異常

OutOfMemoryError 內存溢出異常

ClassCastException 類型轉換異常