开第 10-4 Object Only Recoverable R can be thrown Non-recoverable Throwable Recoverable Requires Error Try/catch NOT Required Exception Try/catch OutOfMe Runtime Add your Exception Exceptions moryError here Checked Unchecked Exception Exception Array NullPointer Index Exception Out Of Bounds Exception10-4 Programming in Java 异常类 Object Throwable Error … Exception Runtime Exception … … Add your Exceptions here Only Recoverable can be thrown Non-recoverable Recoverable Requires Try/catch NOT Try/catch Required Array Index Out Of Bounds Exception NullPointer Exception Unchecked Exception Checked Exception OutOfMe moryError