Java6 Chap6 Flow Control Exceptions And Assertions

Front 1

In If / Then block are { braces required?

Back 1

NO but sun considers it good practice to always use { braces.

Front 2

A switch statement must evaluate to what data types?

Back 2

char, byte, short, int, or enum.

Front 3

Default expression in a Case will ALWAYS run?

Back 3

FALSE, Default runs if no match is found. Also the default can be placed in any position of the cases.

Front 4

The key difference between a While and Do/While is?

Back 4

The Do/While is guaranteed to run one time and While could never run if condition is false on first check.

Front 5

What are the two types of For loops?

Back 5

Basic ( for(Expression; Condition; Itteration) and Enhanced ( for(String s: arrayOfStrings) )

Front 6

In labeled loops the Label appears after the loop declaration?

Back 6

FALSE. The label MUST appear before the initialization of the Loop construct. (i.e. foo: for(int i: iArray) { if (i.isBig()) { continue foo; } }

Front 7

The Finally block in a Try/Catch statement will ALWAYS execute barring a System.exit() or System crash; True/False?

Back 7

TRUE

Front 8

What happens if in a Try/Catch block the Catch block is not declared?

Back 8

This is perfectly legal behavior and the Try block will pass the exception to the calling block. Also if the catch statement is not declared you MUST declare a finally statement.

Front 9

What is the Exception Hierarchy?

Back 9

Object>>Throwable>>Exception And Error. Expection>>RuntimeException>>ect... Error>>ect....