Bagi yang pengen membuat calculator dengan menggunakan bahasa java silahkan download sorce code nya disini:

http://www.ziddu.com/download/8242962/calculator.rar.html

Aplikasi ini dibuat dengan menggunakan NetBeans.
Selamat Berkreasi

Pada DBMS MySQL ada sebuah service dimana kita dapat membuat sebuah prosedur tersimpan di MySQL sendiri serta menjalankan prosedure tersebut kapan sesuai keinginan kita.

Ketika mata kuliah PBO. Aku sering mengamati dosen-dosen mengajarkan tentang koneksi Java ke MySQL. Dan pertanyaanku, mengapa sintaq SQL selalu diketik di list program java? mengapa tidak di tulis di MySQL sendiri?

Jadi kita bisa memisahkan pemrograman Java dan pemrograman MySQL sendiri-sendiri.

di atas adalah uraian singkat dari store prosedure.

*>>Ok. kita masuk ke MySQL. Bagaimana cara membuat sebuah store prosedure dengan parameter inputan.

Buatlah sebuah Form seperti pada gambar di bawah.

*>>pertama kita import libary jdbc MySQL.

masuk ke halaman source

setelah itu ketik pada awal program.

import java.sql.*;
import javax.swing.JOptionPane;

*>>lanjut......pada "Public F_input" silakan di ketik code di bawah.(F_Input adalah nama class yang kalian buat)

!!!---SELAMAT BEREKSPERIMEN---!!!

Overview

This is a very simple example that uses only 2 entities - a Customer and an Order, with OneToMany relationships between them. The Customer and the Order classes are Plain Old Java Classes (POJOs). These classes, as well as the code that manipulates POJO instances, can be used without any changes in Java SE or Java EE environment.

Accessing an EntityManagerFactory and an EntityManager depends on the environment and is described in more details below.

We will create a customer and two related orders, find the customer, and navigate from the customer to its orders, and then merge and remove all the objects. All these operation will be performed using Java Persistence API and require JDK 5.0.

Click here to get the ZIP file with the complete Java SE example as a netbeans project. This example works with Java DB or with Oracle.

Click here to get the ZIP file with the complete Java SE example. This example works with Oracle.

Click here to get the ZIP file with the complete Java EE example.

Refer to Java Persistence API document of JSR-220: Enterprise JavaBeansTM 3.0 Specification for further details on annotations and APIs.

Check example sources for the necessary import statements.

The Result

The sample test is modeled on the Sun Certification for JavaTM 2 Programmer exam. The test has 59 questions and needs to be executed in 2 hours. The real exam may be a little tougher than this. You need to score 36 correct answers to clear the real exam. The first 50 questions of the mock exam are valid for both 1.2 and 1.4 versions of the exam. The remaining 9 questions are only useful if you are taking the SCJP 1.2 exam. Please let me know if you find any issues with the test. The site also offers another mock exam.

1. Which declaration of the main method below would allow a class to be started as a standalone program. Select the one correct answer.




1. public static int main(char args[])


2. public static void main(String args[])


3. public static void MAIN(String args[])


4. public static void main(String args)


5. public static void main(char args[])




2. What all gets printed when the following code is compiled and run? Select the three correct answers.



  public class xyz {    
public static void main(String args[]) {
       for(int i = 0; i < 2; i++) {
          for(int j = 2; j>= 0; j--) {
             if(i == j) break;             
System.out.println("i=" + i + " j="+j);          
}       
}    
} 
}    





1. i=0 j=0


2. i=0 j=1


3. i=0 j=2


4. i=1 j=0


5. i=1 j=1


6. i=1 j=2


7. i=2 j=0


8. i=2 j=1


9. i=2 j=2




3. What gets printed when the following code is compiled and run with the following command -
   
   java test 2
   
   Select the one correct answer.
   
   



  public class test {    
public static void main(String args[]) {        
Integer intObj=Integer.valueOf(args[args.length-1]);       
int i = intObj.intValue();         
if(args.length > 1)           
System.out.println(i);       
if(args.length > 0)          
System.out.println(i - 1);       
else           
System.out.println(i - 2);    
} 
}              





1. test


2. test -1


3. 0


4. 1


5. 2




4. In Java technology what expression can be used to represent number of elements in an array named arr ?


5. How would the number 5 be represented in hex using up-to four characters.



6. Which of the following is a Java keyword. Select the four correct answers.




1. extern


2. synchronized


3. volatile


4. friend


5. friendly


6. transient


7. this


8. then




7. Is the following statement true or false. The constructor of a class must not have a return type.




1. true


2. false




8. What is the number of bytes used by Java primitive long. Select the one correct answer.




1. The number of bytes is compiler dependent.


2. 2


3. 4


4. 8


5. 64




9. What is returned when the method substring(2, 4) is invoked on the string "example"? Include the answer in quotes as the result is of type String.


10. Which of the following is correct? Select the two correct answers.




1. The native keyword indicates that the method is implemented in another language like C/C++.


2. The only statements that can appear before an import statement in a Java file are comments.


3. The method definitions inside interfaces are public and abstract. They cannot be private or protected.


4. A class constructor may have public or protected keyword before them, nothing else.





11. What is the result of evaluating the expression 14 ^ 23. Select the one correct answer.




1. 25


2. 37


3. 6


4. 31


5. 17


6. 9


7. 24




12. Which of the following are true. Select the one correct answers.




1. && operator is used for short-circuited logical AND.


2. ~ operator is the bit-wise XOR operator.


3. | operator is used to perform bitwise OR and also short-circuited logical OR.


4. The unsigned right shift operator in Java is >>.




13. Name the access modifier which when used with a method, makes it available to all the classes in the same package and to all the subclasses of the class.


14. Which of the following is true. Select the two correct answers.




1. A class that is abstract may not be instantiated.


2. The final keyword indicates that the body of a method is to be found elsewhere. The code is written in non-Java language, typically in C/C++.


3. A static variable indicates there is only one copy of that variable.


4. A method defined as private indicates that it is accessible to all other classes in the same package.




15. What all gets printed when the following program is compiled and run. Select the two correct answers.





  public class test {    
public static void main(String args[]) {        
int i, j=1;       
i = (j>1)?2:1;       

switch(i) {         
case 0:
System.out.println(0);
break;         
case 1:
System.out.println(1);         
case 2:
System.out.println(2);
break;         
case 3:
System.out.println(3);
break;       
}    
} 
}              





1. 0


2. 1


3. 2


4. 3





16. What all gets printed when the following program is compiled and run. Select the one correct answer.





  public class test {    
public static void main(String args[]) {        
int i=0, j=2;       
do
{          
i=++i;          
j--;       
}
while(j>0);       
System.out.println(i);    
} 
}              





1. 0


2. 1


3. 2


4. The program does not compile because of statement "i=++i;"




17. What all gets printed when the following gets compiled and run. Select the three correct answers.
    
    

      public class test {     
    public static void main(String args[]) {          
    int i=1, j=1;         
    try {             
    i++;              
    j--;             
    if(i/j > 1)                 
    i++;         
    }         
    catch(ArithmeticException e) {             
    System.out.println(0);         
    }         
    catch(ArrayIndexOutOfBoundsException e) {             
    System.out.println(1);         
    }         
    catch(Exception e) {             
    System.out.println(2);         
    }         
    finally
    {             
    System.out.println(3);         
    }         
    System.out.println(4);      
    } 
    }              

    
    
    
    
    1. 0
    
    
    2. 1
    
    
    3. 2
    
    
    4. 3
    
    
    5. 4
    
    
    
    


18. What all gets printed when the following gets compiled and run. Select the two correct answers.





  public class test {     
public static void main(String args[]) {          
int i=1, j=1;         
try {             
i++;              
j--;             
if(i == j)                 
i++;         
}         
catch(ArithmeticException e) {             
System.out.println(0);         
}         
catch(ArrayIndexOutOfBoundsException e) {             
System.out.println(1);         
}         
catch(Exception e) {             
System.out.println(2);         
}         
finally {             
System.out.println(3);         
}         
System.out.println(4);      
} 
}              





1. 0


2. 1


3. 2


4. 3


5. 4




19. What all gets printed when the following gets compiled and run. Select the two correct answers.





  public class test {     
public static void main(String args[]) {      
String s1 = "abc";     
String s2 = "abc";     
if(s1 == s2)         
System.out.println(1);     
else         
System.out.println(2);     
if(s1.equals(s2))         
System.out.println(3);     
else         
System.out.println(4);     
} 
}              





1. 1


2. 2


3. 3


4. 4




20. What all gets printed when the following gets compiled and run. Select the two correct answers.





  public class test {     
public static void main(String args[]) {      
String s1 = "abc";     
String s2 = new String("abc");       
if(s1 == s2)         
System.out.println(1);     
else         
System.out.println(2);     
if(s1.equals(s2))         
System.out.println(3);     
else         
System.out.println(4);     
} 
}              





1. 1


2. 2


3. 3


4. 4





21. Which of the following are legal array declarations. Select the three correct answers.




1. int i[5][];


2. int i[][];


3. int []i[];


4. int i[5][5];


5. int[][] a;




22. What is the range of values that can be specified for an int. Select the one correct answer.




1. The range of values is compiler dependent.


2. -231 to 231 - 1


3. -231-1 to 231


4. -215 to 215 - 1


5. -215-1 to 215




23. How can you ensure that the memory allocated by an object is freed. Select the one correct answer.




1. By invoking the free method on the object.


2. By calling system.gc() method.


3. By setting all references to the object to new values (say null).


4. Garbage collection cannot be forced. The programmer cannot force the JVM to free the memory used by an object.





24. What gets printed when the following code is compiled and run. Select the one correct answer.





  public class test {     
public static void main(String args[]) {      
int i = 1;     
do {         
i--;     
}
while (i > 2);     
System.out.println(i);     
} 
}              





1. 0


2. 1


3. 2


4. -1




25. Which of these is a legal definition of a method named m assuming it throws IOException, and returns void. Also assume that the method does not take any arguments. Select the one correct answer.




1. void m() throws IOException{}


2. void m() throw IOException{}


3. void m(void) throws IOException{}


4. m() throws IOException{}


5. void m() {} throws IOException




26. Which of the following are legal identifier names in Java. Select the two correct answers.




1. %abcd


2. $abcd


3. 1abcd


4. package


5. _a_long_name




27. At what stage in the following method does the object initially referenced by s becomes available for garbage collection. Select the one correct answer.





  void method X()  {      
String r = new String("abc");     
String s = new String("abc");     
r = r+1; //1     
r = null; //2     
s = s + r; //3 
} //4              





1. Before statement labeled 1


2. Before statement labeled 2


3. Before statement labeled 3


4. Before statement labeled 4


5. Never.




28. String s = new String("xyz");
    
    Assuming the above declaration, which of the following statements would compile. Select the one correct answer.




1. s = 2 * s;


2. int i = s[0];


3. s = s + s;


4. s = s >> 2;


5. None of the above.





29. Which of the following statements related to Garbage Collection are correct. Select the two correct answers.




1. It is possible for a program to free memory at a given time.


2. Garbage Collection feature of Java ensures that the program never runs out of memory.


3. It is possible for a program to make an object available for Garbage Collection.


4. The finalize method of an object is invoked before garbage collection is performed on the object.




30. If a base class has a method defined as
    
    void method() { }
    
    Which of the following are legal prototypes in a derived class of this class. Select the two correct answers.




1. void method() { }


2. int method() { return 0;}


3. void method(int i) { }


4. private void method() { }




31. In which all cases does an exception gets generated. Select the two correct answers.



int i = 0, j = 1;




1. if((i == 0) || (j/i == 1))


2. if((i == 0) | (j/i == 1))


3. if((i != 0) && (j/i == 1))


4. if((i != 0) & (j/i == 1))





32. Which of the following statements are true. Select the two correct answers.




1. The wait method defined in the Thread class, can be used to convert a thread from Running state to Waiting state.


2. The wait(), notify(), and notifyAll() methods must be executed in synchronized code.


3. The notify() and notifyAll() methods can be used to signal and move waiting threads to ready-to-run state.


4. The Thread class is an abstract class.




33. Which keyword when applied on a method indicates that only one thread should execute the method at a time. Select the one correct answer.




1. transient


2. volatile


3. synchronized


4. native


5. static


6. final




34. What is the name of the Collection interface used to represent elements in a sequence (in a particular order). Select the one correct answer.




1. Collection


2. Set


3. List


4. Map





35. Which of these classes implement the Collection interface SortedMap. Select the one correct answers.




1. HashMap


2. Hashtable


3. TreeMap


4. HashSet


5. TreeSet


6. Vector




36. Which of the following are true about interfaces. Select the two correct answers.




1. Methods declared in interfaces are implicitly private.


2. Variables declared in interfaces are implicitly public, static, and final.


3. An interface can extend any number of interfaces.


4. The keyword implements indicate that an interface inherits from another.




37. Assume that class A extends class B, which extends class C. Also all the three classes implement the method test(). How can a method in a class A invoke the test() method defined in class C (without creating a new instance of class C). Select the one correct answer.




1. test();


2. super.test();


3. super.super.test();


4. ::test();


5. C.test();


6. It is not possible to invoke test() method defined in C from a method in A.




38. What is the return type of method round(double d) defined in Math class.



39. What gets written on the screen when the following program is compiled and run. Select the one right answer.



  public class test {    
public static void main(String args[]) {     
int i;    
float  f = 2.3f;    
double d = 2.7;    
i = ((int)Math.ceil(f)) * ((int)Math.round(d));       
System.out.println(i);   
}
}    





1. 4


2. 5


3. 6


4. 6.1


5. 9




40. Is the following statement true or false. As the toString method is defined in the Object class, System.out.println can be used to print any object.




1. true


2. false




41. Which of these classes defined in java.io and used for file-handling are abstract. Select the two correct answers.




1. InputStream


2. PrintStream


3. Reader


4. FileInputStream


5. FileWriter




42. Name the collection interface used to represent collections that maintain unique elements.



43. What is the result of compiling and running the following program.



  public class test {    
public static void main(String args[]) {        
String str1="abc";       
String str2="def";       
String str3=str1.concat(str2);         
str1.concat(str2);       
System.out.println(str1);    
} 
}    





1. abc


2. def


3. abcabc


4. abcdef


5. defabc


6. abcdefdef




44. Select the one correct answer. The number of characters in an object of a class String is given by




1. The member variable called size


2. The member variable called length


3. The method size() returns the number of characters.


4. The method length() returns the number of characters.




45. Select the one correct answer. Which method defined in Integer class can be used to convert an Integer object to primitive int type.




1. valueOf


2. intValue


3. getInt


4. getInteger




46. Name the return type of method hashCode() defined in Object class, which is used to get the unique hash value of an Object.


47. Which of the following are correct. Select the one correct answer.




1. An import statement, if defined, must always be the first non-comment statement of the file.


2. private members are accessible to all classes in the same package.


3. An abstract class can be declared as final.


4. Local variables cannot be declared as static.





48. Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class. Select the one correct answer.




1. static


2. final


3. abstract


4. native


5. volatile


6. transient




49. Which of these are core interfaces in the collection framework. Select the one correct answer.




1. Tree


2. Stack


3. Queue


4. Array


5. LinkedList


6. Map





50. Which of these statements are true. Select the two correct answers.




1. For each try block there must be at least one catch block defined.


2. A try block may be followed by any number of finally blocks.


3. A try block must be followed by at least one finally or catch block.


4. If both catch and finally blocks are defined, catch block must precede the finally block.





The remaining questions are related to AWT, event classes, and layout managers. These topics are not included in 1.4 version of the exam.





51. The default layout manager for a Frame is ...




1. FlowLayout


2. BorderLayout


3. GridLayout


4. GridBagLayout


5. CardLayout




52. Which of the following are valid adapter classes in Java. Select the two correct answers.




1. ComponentAdapter


2. ActionAdapter


3. AdjustmentAdapter


4. ItemAdapter


5. FocusAdapter




53. Which method defined in the EventObject class returns the Object that generated an event. The method should be given in the format - return_type method_name();


54. Which of the following object receives ActionEvent. Select the four correct answers.




1. List


2. Button


3. Choice


4. CheckBox


5. TextField


6. MenuItem




55. Name the class that may be used to create submenus in pull-down menus.


56. In which class is the wait() method defined. Select the one correct answer.




1. Applet


2. Runnable


3. Thread


4. Object




57. Which is the only layout manager that always honors the size of a component. Select the one correct answer.




1. FlowLayout


2. GridLayout


3. BorderLayout


4. CardLayout


5. GridBagLayout




58. Which of these are valid Event Listener interfaces. Select the two correct answers.




1. MouseMotionListener


2. WindowListener


3. DialogListener


4. PaintListener




59. Which abstract class is the super class of all menu-related classes.

1. b


2. b, c, f


3. d. Note that the program gets one command line argument - 2. args.length will get set to 1. So the condition if(args.length > 1) will fail, and the second check if(args.length > 0) will return true.


4. arr.length


5. Any of these is correct - 0x5, 0x05, 0X05, 0X5



6. b, c, f, g


7. a


8. d


9. "am"


10. a, c. Please note that b is not correct. A package statement may appear before an import statement. A class constructor may be declared private also. Hence d is incorrect.



11. a


12. a


13. protected


14. a, c


15. b, c



16. c


17. a, d, e


18. d, e


19. a, c


20. b, c



21. b, c, e


22. b


23. d



24. a


25. a


26. b, e . The option c is incorrect because a Java identifier name cannot begin with a digit.


27. d


28. c



29. c, d


30. a, c


31. b, d



32. b, c


33. c


34. c



35. c


36. b, c


37. f


38. long



39. e


40. a


41. a, c


42. Set



43. a


44. d


45. b


46. int


47. d



48. a


49. f


50. c, d


51. b


52. a, e


53. Object getSource();


54. a, b, e, f


55. Menu


56. d


57. a


58. a, b


59. MenuComponent

Praktikum's task Network and Apparatus Mathematics moves secondly be make one http simple server at localhost. With utilize SocketServer's function, therefore gets to be made one server which will wait “panggilan” on port 80 (HTTP). And will send html's code while called.

SocketServer works in one looping that perpetual to wait marks sense connection to go to port 80 on localhost. There is 4 constructor on SocketServer for example:

1. public ServerSocket(int port) throws BindException, IOException
2. public ServerSocket(int port, int queueLength) throws BindException, IOException
3. public ServerSocket(int port, int queueLength, InetAddress bindAddress) throws IOException
4. public ServerSocket( ) throws IOException // Java 1.4