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java.lang packages
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AbstractMethodError Appendable
ArithmeticException ArrayIndexOutOfBoundsException (1)
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Boolean (4) Byte (3)
Character (4) Character.Subset
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Class (10) ClassCastException (1)
ClassCircularityError ClassFormatError
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Comparable (3) Compiler
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Error Exception (1)
ExceptionInInitializerError (1) Float (16)
IllegalAccessError IllegalAccessException (1)
IllegalArgumentException IllegalMonitorStateException (2)
IllegalStateException IllegalThreadStateException
IncompatibleClassChangeError IndexOutOfBoundsException
InheritableThreadLocal InstantiationError
InstantiationException (1) Integer (22)
InternalError InterruptedException
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Long (2) Math (6)
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NoSuchFieldError NoSuchFieldException
NoSuchMethodError NoSuchMethodException
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NumberFormatException (1) Object (12)
OutOfMemoryError (1) Override
Package (1) Process (4)
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Runnable (5) Runtime (15)
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SecurityException SecurityManager
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String (52) StringBuffer (13)
StringBuilder (2) StringIndexOutOfBoundsException (2)
SuppressWarnings System (14)
Thread (12) Thread.State
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Throwable (7) TypeNotPresentException
UnknownError UnsatisfiedLinkError
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java.lang examples
A more elegant solution for locking performance 2003-03-14A more flexible way of implementing GOF factory pattern 2005-08-04
A to Z char representation in the specified radix 2005-06-24Additional debugging output 2006-08-06
Adds char into a string 2004-11-30Alternative way to load class 2005-03-15
An interesting thing about String.split() 2005-10-05Appending StringBuffer 2003-10-09
ArithmeticException 2002-07-31Assertion Examples 2004-09-20
avoid constructor 2004-03-05Better to use the classloader associated with the current thread 2004-02-15
Better way to load class 2005-03-15Binary, octal, hex to decimal 2004-10-02
Building a string 2005-06-23byte to hex 2004-10-02
byteValue of 250 is -6 2004-10-02c = a ^ b 2003-10-12
Calculating Memory Used by Objects 2005-02-16Can not load application level classes from the system classloader 2005-03-21
Case-insensitive implementation of indexOf 2005-02-11casting primitives to String 2005-02-13
Catch ArrayIndexOutOfBoundsException 2004-11-29Catch RuntimeException 2003-05-17
Chained exception 2005-02-28Chained exceptions 2003-05-17
Change case 2005-01-14Char array and string 2003-03-26
Char array to string 2003-11-16Char to string 2005-07-01
Character comparation 2006-02-01Check double max value 2004-10-03
Check double min value 2004-10-03Check max memory 2003-10-30
check the value of the textbox 2002-08-07Class getField 2003-01-06
Class without instances 2003-07-22Combine string 2004-10-13
Comparation without regard to the character cases 2005-04-05compareTo Function 2006-02-01
Compatibility issue with loadClass 2004-10-01Convert an integer to binary 2004-12-01
Convert arraylist to String 2005-05-31Convert double to a float 2004-10-03
Convert double to string 2004-10-03convert float to int 2006-10-22
Convert float to string 2004-10-03Convert integer to double 2004-10-02
Convert integet to float 2004-10-02Convert long to byte 2005-04-13
convert lower case letter in the string to upper case letter 2006-05-30Convert string to a float 2004-10-03
Convert string to double 2005-04-09Convert string to long 2003-11-14
convert the String to ahexadecimal 2004-05-20Copy Byte Array 2005-07-27
Creat Number array 2003-12-25Create new Boolean 2004-03-05
Cure for Winsock errors in child process 2006-08-23DecimalFormat 2006-05-04
Default timeouts properties in JDK 1.4 2003-10-27Define enum and print its values 2005-08-12
Determine the names of the files in a directory associated with a class 2005-05-04Difference between notify() and notifyAll() 2005-05-19
Difference between sleep and wait 2005-09-22Direct console messages to a file 2005-09-22
Direct error messages to a file 2005-09-22Displaying stack trace in any part of the codes 2005-03-23
dontRepeat 2004-04-08double 2005-07-31
Double comparison 2004-10-03ExceptionInInitializerError() 2006-03-20
Execute a commad and get the return value 2004-01-29Execute a Windows system command 2006-08-23
Execute Execute VB Script 2006-08-23Execute external program with arguments 2006-08-23
Execute Ping and display its results 2005-03-29Find possible class names 2005-08-25
Fine-grained locking 2003-03-14Float operation 2004-10-03
function to exit program, in case of an error: 2006-08-06Get a specific character from a string 2005-06-23
Get each byte of a string 2005-05-24Get filename ext 2004-12-08
Get Float max value 2004-10-03Get Float min value 2004-10-03
Get number of available processors 2004-09-06Get system property 2003-10-27
Get the unrounded decimal portion 2004-05-05getChars 2006-03-10
getDeclaringClass V. getEnclosingClass 2005-01-06getR3CharacteristicValue 2005-09-23
GOF:implement the Singleton pattern 2005-03-07Growing stringbuffer 2003-10-29
How can you pass data between two threads? 2006-05-04How many ways can we create an Object? 2006-05-04
If we can not calculate an average we will return zero 2002-08-07Illegal monitorStateExcepiton in the wait 2004-12-20
Implement Comparable using template 2005-05-19Implement grep 2004-10-04
Implementation of equals for Collections and Objects arrays. 2003-09-09Initializing double variable 2004-09-27
Inner class 2005-07-17Insert into a StringBuffer 2003-10-10
Insert with Boolean 2004-11-20Integer comparison 2004-10-02
Integer max value 2004-10-02Integer Min value 2004-10-02
Integer to binary, octal, hex 2004-10-02Integer to Hex 2004-10-02
Integer to Octal 2004-10-02Invoke a method on the Object class 2003-07-22
It is always better to implement a Runnable than to extend a Thread 2005-03-07Java runtime classes loading order 2006-06-02
java.lang.byte 2002-09-05Joining two threads 2005-08-02
Launch a Unix script 2004-05-10Lets use StringBuffer 2003-10-09
Load resource from CLASSPATH 2004-08-12Load resource from context 2005-03-21
Look for the constructor that has one String parameter 2005-02-22Looks up a boolean system property 2006-10-05
Make sure the same classloader loads your singletons 2004-11-05Manually displaying the stack trace 2003-05-17
MathAbs 2002-09-05Merge two strings 2005-04-04
Multithreading synchronization 2005-11-04New way to implement Comparable 2004-09-17
NullPointerException 2006-06-12NullPointerException when converting float 2004-02-08
Object cloning exception 2005-09-09Old way to implement Comparable 2004-09-17
Open a PDF file in Windows and Mac 2006-08-23Parse a string to a float 2003-10-11
parseInt actually throws 2 exceptions 2004-09-16Pass data between proess 2004-09-27
Passing correct parameter data type 2005-08-23Print Byte value 2002-09-05
Print ByteCode 2004-05-14Process DB records 2005-03-15
Purpose of garbage collection 2005-09-22Read a file into a stringbuffer 2005-08-08
read a line from STDIN ( 2005-04-25Read input from keyboard 2005-04-25
Reading System Properties to a file 2006-02-06regex expression in String.Split 2005-10-05
Remove a specific character from a stringbuffer 2003-10-07Removing Comma from a String using substring 2003-07-04
Replace all occurrences of a word 2004-11-18Replaces ALL occurrences of a char 2003-12-02
Return the character to specific index 2005-06-23Reusing iterables 2006-01-11
Reverse a String 2004-11-20Round a double 2004-05-05
Run any program using the Windows file association mechanism 2006-08-23Run Microsoft Excel 2004-01-29
Runnable example 2005-03-07Search and replace 2003-08-20
Send mail from shell 2004-05-10Servlet that reads DB and parse XML 2004-12-20
Set a starting directory for executing an external program 2006-08-23ShutdownHook example 2004-03-09
Simiple checksum generator 2005-11-04Splitting String 2005-10-05
sprintf in Java 2006-08-06StackOverflowError 2005-04-22
Standard classloaders uses single namespace to load classes 2006-06-02Start a Dial-up connection on the Win plateform 2006-08-23
Static initializer for any class that requires an assertion 2002-12-18String and StringBuffer 2005-04-18
String endsWith 2004-12-07String equals 2005-05-13
String equalsIgnoreCase 2003-07-22String length 2003-12-19
String startsWith 2003-12-19String to char array 2004-10-19
StringBuffer insert and append 2005-04-15StringBuffer length test 2004-11-20
StringIndexOutOfBoundsException 2004-02-11Sub string 2003-07-04
Sync block 2003-11-04Synchronized between two different methods 2004-09-20
Temprature 2005-12-20Test ability to convert String to HEX 2005-06-23
Test runnable 2005-08-02Test thread yield 2005-08-02
Testing toString 2004-05-17The person that let this method be called this way should be fired! 2006-10-05
This example shows that a lock on an object also locks all access to the object via synchronized methods 2002-10-17Thread interuption 2005-08-02
Timing 2005-05-24To know if a String is part of another String using region match 2005-02-04
Trim string 2004-12-14Two equals objects have matching hashCode()s as well 2003-09-09
Two ways to opening a file from the class path 2004-10-01Unable to connect to the database 2004-09-20
Upcast to Object 2005-04-28upper case conversion 2006-05-30
Use assertions to detect predictable, but undesirable, results 2002-12-18Use different versions of the same library at any given time 2006-06-02
Use getChars() to copy from one string to another string 2004-12-07Use of Radix for IP address 2006-09-13
Use reflection to instantiate singletons 2004-11-05videoinfo 2005-09-26
wait() methode need a synchronized block 2005-05-19What is the value of 64 >>> 32? 2005-08-20
When use String as a synchronized object 2004-07-20Why is a getLocalizedMessage introduced and not a getNativeMessage? 2005-03-03
Word list 2005-08-01Workaround for thread class loader problem 2004-07-21
Write the stack trace to the string 2005-05-13
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