Java Core Classes and Threads

If exception then exception handling statements

If raised_exception then exception handling statements

When exception then exception handling statements

When raised_exception then exception handling statements

Create

Data

Brother (sibling)

Rchild

EmptyBT

The upcoming exception needs more than one handler.

Different upcoming exceptions can be filtered out different types of problems.

Single up coming exception can be filtered out different types of problems.

Different upcoming exceptions can be combined to have one problem only.

None of the above

URLConnection class

URLEncoder class

StackFrame class

DatagramPacket class

ExceptionEvent()

RemoteStackFrame

RemoteStackVariable

StackFrame

JFrame

javax.swing.filechooser

printToConsole()

getInputStream()

DebuggerCallback interface

breakPointEvent()

DatagramPacket class

StackFrame

RemoteStackVariable

RemoteDebugger

DebuggerCallback

ThreadDeathEvent()

delegate int ThisDelegate (int x)

public delegate int ThisDelegate (String x)

public delegate char ThisDelegate (String x)

delegate char ThisDelegate (String)

none of the above

Unboxing can throw InvalidCastException at runtime.

In boxing, a copy of the value type is taken from the heap to the stack.

In unboxing, a copy of the value type is taken back from the heap to the stack.

Casting does not physically move or operate on the object.

Both (2) and (4).

Date()

getDate()

getDay()

getMonth()

getYear()

yield()

setName()

resume()

isAlive()

start()

isDefined()

isDigit()

isLetter()

isLowerCase()

isSpaceChar()

getChars()

append()

insert()

reverse()

delete()

getSuperclass()

isInterface()

getName()

toString()

getClasses()

join()

isDaemon()

activeCount()

sleep()

start()