Latest Tutorials| Questions and Answers|Ask Questions?|Site Map



Home Answers Viewqa Java-Interview-Questions Convert the code to GUI ??
Login         

View Questions and Answers by Category

Advertisements


 
Have Programming Question? Ask it here!
 
 
 


33
Convert the code to GUI ??
0 Answer(s)      2 years and 5 months ago
Posted in : Java Interview Questions


hi >> can anyone help me to conver this code to GUI ??

/** * @(#)RegistorClass.java * *. * @author * @version 1.00 2011/12/16 */

import java.util.Scanner;

public class RegistorClass {

 private int accumulator; 
 private int instructionCounter; 
 private int instructionRegister; 
 private int operationCode; 
 private int operand; 
 private boolean halt; 
 private MemoryClass memory;

// Operation codes

// Input/Output operations. 
 private final int READ = 10; 
 private final int WRITE = 11;   

 // Load/Store operations. 
 private final int LOAD = 20; 
 private final int STORE = 21;   

  // Arithmetic operations. 
 private final int ADD = 30; 
 private final int SUBTRACT = 31; 
 private final int DIVIDE = 32; 
 private final int MULTIPLY = 33;  

 // Transfer-of-control operations.
 private final int BRANCH = 40; 
 private final int BRANCHNEG = 41; 
 private final int BRANCHZERO = 42; 
 private final int HALT = 43;



public RegistorClass(MemoryClass memory1)

{

     accumulator = 0;   
     instructionCounter = 0;  
     instructionRegister = 0;   
     operationCode = 0;  
     operand = 0;   
     halt = false;    

     memory = memory1;

}  
 public  int getOperationCode(int word) 
 {   

     int operationCode = word / 100;  
     return operationCode; 
 }

public int getOperand(int word) {
int operand = word % 100; return operand; }

public boolean executeNextInstruction() {

 if (halt) 
 return false;       

  // Read next instruction from memory.  
  instructionRegister = memory.read(instructionCounter);  


 operationCode = getOperationCode(instructionRegister);  
 operand =getOperand(instructionRegister);       


 boolean transferOfControl = false;       

 //  execute the instruction.   
switch (operationCode)  
{      
 case READ:    

        Scanner scan = new Scanner(System.in); 

        // Read a word from the keyboard.       
        System.out.print("Enter an integer: ");               

        // Write word to memory.       
        memory.write(operand, scan.nextInt());     


        break;           

 case WRITE:        

       // Read a word from memory.      
      int data = memory.read(operand);        

       // Display the word on the screen        

     if (!halt)
         System.out.println(data);            

      break;            

 case LOAD:       

     // Load a word from memory into the accumulator.      

     accumulator = memory.read(operand); //    accumulator=memory[operand]; 

     break;


case STORE:       

     // Store accumulator into memory.      

     memory.write(operand, accumulator);  // memory[operand]=accumulator;  


     break;             

case ADD:      

      // Add word from memory to accumulator.      

       accumulator += memory.read(operand);      


       break;             

case SUBTRACT:       

     // Subtract word from memory from accumulator.        

       accumulator -= memory.read(operand);       


       break;            

case DIVIDE:      

      // Divide accumulator by a word loaded from memory.      

       int divisor = memory.read(operand);   //divisor=memory[oprand] ;  

       if (!halt)        
         if (divisor == 0)         
        {          
              System.out.println("*** Attempt to divide by zero ***");           

        }        

        else            accumulator /= divisor;        

        break;          

case MULTIPLY:       

     // Multiply accumulator by a word loaded from memory.       

       accumulator *= memory.read(operand);     


       break;       

case BRANCH:       

     // Branch to location in memory.       

        instructionCounter = operand;      
        transferOfControl = true;       

        break;             

case BRANCHNEG:       

     // Branch to location in memory if accumulator is negative.      

       if (accumulator < 0)      
      {     
         instructionCounter = operand;        
         transferOfControl = true;     
      }      
      break;

case BRANCHZERO:

   // Branch to location in memory if accumulator is zero.      

       if (accumulator == 0)

      {    
        instructionCounter = operand;    
        transferOfControl = true;        
      }     

       break;             

case HALT:           

       System.out.println("*** Simpletron execution terminated ***");       
       transferOfControl = true;      
       halt = true;     

       break;           

default:       

     System.out.println("*** Invalid operation code ***");      

       halt= true; // break;    



     }     



     if (!transferOfControl) 


           instructionCounter++; 


  return !halt;

  }

public void dump() {
System.out.printf(" accumulator\t\t\t%+05d\n", accumulator); System.out.printf("instructionCounter\t\t %02d\n", instructionCounter); System.out.printf("instructionRegister\t\t%+05d\n", instructionRegister); System.out.printf("operationCode \t\t\t %02d\n", operationCode);
System.out.printf("operand \t\t\t\t %02d\n", operand);

}

public static void main(String[] args)

 {  



       System.out.println("*** Welcome to Simpletron! ***");   
       System.out.println("*** Please enter your program one instruction   ***");  
       System.out.println("*** (or data word) at a time. I will display    ***");   
       System.out.println("*** the location number and a question mark (?) ***");  
       System.out.println("*** You then type the word for that location.   ***");   
       System.out.println("*** Type -99999 to stop entering your program.  ***");   
       System.out.println(); 


    MachineClass machine = new MachineClass ();   
    machine.inputProgramToMemory();  
    machine.executeProgram();

} }

class MachineClass {

private MemoryClass memory1;
private RegistorClass registor1 ;
public static final int MEMORY_WORD = 100;

public MachineClass()
{  
     memory1=new MemoryClass( MEMORY_WORD);
     registor1=new RegistorClass(memory1);


}

public void inputProgramToMemory() {
Scanner input =new Scanner(System.in);

int memoryWord=0;
final int END_OF_INPUT = -9999;      

System.out.printf("%02d ? ", memoryWord);
int data = input.nextInt();

while(data !=END_OF_INPUT)      
{      
   memory1.write(memoryWord,data);
   memoryWord++;
   System.out.printf("%02d ? ", memoryWord);  
   data = input.nextInt();
}

           System.out.println("*** Program loading completed ***");
           System.out.println(); 
}

public void computerDump() { System.out.println();
System.out.println("REGISTERS:");
registor1.dump();
System.out.println();
System.out.println("MEMORY:");
memory1.dump(); }

// Execute program  
public void executeProgram()
{   
     System.out.println("*** Program execution begins  ***");        

     while (  registor1.executeNextInstruction()) ;       
          computerDump(); 
}

}

class MemoryClass {

private int[] memory; 

public MemoryClass(int amountOfMemoryWord )

{ memory = new int[amountOfMemoryWord];

}


 // Write a value to memory.  
public void write(int word, int value) 
{       
      if (word < 0 || word >= memory.length)  
      {     
          System.out.println("*** Attempt to write to a non-existing memory location ***");   
      }

     else memory[word] = value; 

 }   


public int read(int word) 

{   
     int value = 0;       
     if (word < 0 || word >= memory.length)   
     {      System.out.println("*** Attempt to read from a non-existing  memory location ***");     

     }   
     else value = memory[word];     
  return value;  

}   



 public void dump() 
{     

     System.out.print( "   ");  
     for (int i = 0; i < 10; i++)  
     System.out.printf("%5d ", i);       

     System.out.println();       

     for (int i = 0; i < memory.length; i += 10)   
     {     
         System.out.print("  "+ i+ " ");     
         for (int j = 0; j < 10 && i+j < memory.length; j++)       
                System.out.printf("%+05d ", memory[i + j]); //05>>> to print five digits ???        
                System.out.println();   
      } 
 }   


 }

this is my Solution <

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package javaapplication60;

import java.awt.BorderLayout; import java.awt.Component; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Scanner; import javax.swing.*;

/** * * @author TOSHIBA */ public class RegistorClass extends JFrame {

/*

* To change this template, choose Tools | Templates * and open the template in the editor. */

private JFrame frame=new JFrame();
 private int accumulator; 
 private int instructionCounter; 
 private int instructionRegister; 
 private int operationCode; 
 private int operand; 
  private JTextField accumulator1; 
 private JTextField instructionCounter1; 
 private JTextField instructionRegister1; 
 private JTextField  operationCode1; 
 private JTextField  operand1; 
 JMenu filemenu;
 JMenuItem fileItem1,fileItem2,fileItem3,fileItem4,fileItem5,fileItem6,fileItem7,fileItem8,fileItem9,fileItem10,fileItem11,fileItem12;
 private boolean halt; 
 private MemoryClass memory;

// Operation codes

// Input/Output operations. 
 private final int READ = 10; 
 private final int WRITE = 11;   

 // Load/Store operations. 
 private final int LOAD = 20; 
 private final int STORE = 21;   

  // Arithmetic operations. 
 private final int ADD = 30; 
 private final int SUBTRACT = 31; 
 private final int DIVIDE = 32; 
 private final int MULTIPLY = 33;  

 // Transfer-of-control operations.
 private final int BRANCH = 40; 
 private final int BRANCHNEG = 41; 
 private final int BRANCHZERO = 42; 
 private final int HALT = 43;



public RegistorClass(MemoryClass memory1)

{

setTitle("SIMPLETRON"); setLayout(new FlowLayout()); accumulator = 0;
instructionCounter = 0;
instructionRegister = 0;
operationCode = 0;
operand = 0;
halt = false;
accumulator1 = new JTextField(20);
instructionCounter1 =new JTextField(20);
instructionRegister1 = new JTextField(20);
operationCode1 = new JTextField(20);
operand1 = new JTextField(20); memory = memory1; JPanel g=new JPanel(); add(g,BorderLayout.NORTH); g. add(accumulator1); g. add(instructionCounter1); g. add(instructionRegister1); g.add( operationCode1); g.add( operand1); JMenuBar menubar = new JMenuBar(); filemenu = new JMenu("File"); filemenu.add(new JSeparator()); // JMenu editmenu = new JMenu("Edit"); //.add(new JSeparator()); fileItem1 = new JMenuItem("Read"); fileItem2 = new JMenuItem("Write"); fileItem3 = new JMenuItem("Load"); fileItem3.add(new JSeparator()); fileItem6 = new JMenuItem("Add"); fileItem4 = new JMenuItem("Store"); fileItem5 = new JMenuItem("Subtract"); fileItem3.add(new JSeparator()); fileItem7 = new JMenuItem("Divide"); fileItem8 = new JMenuItem("Multiplay"); fileItem3.add(new JSeparator()); fileItem9 = new JMenuItem("Branch"); fileItem10 = new JMenuItem("Branch_Zero"); fileItem11 = new JMenuItem("Branch_NEG"); fileItem12 = new JMenuItem("Halt"); filemenu.add(fileItem1); filemenu.add(fileItem2); filemenu.add(fileItem3); filemenu.add(fileItem4); filemenu.add(fileItem5); filemenu.add(fileItem6); filemenu.add(fileItem7); filemenu.add(fileItem8); filemenu.add(fileItem9); filemenu.add(fileItem10); filemenu.add(fileItem11); filemenu.add(fileItem12);

menubar.add(filemenu); setJMenuBar(menubar);

}  
 public  int getOperationCode(int word) 
 {   

     int operationCode = word / 100;  
     return operationCode; 
 }

public int getOperand(int word) {
int operand = word % 100; return operand; }

public boolean executeNextInstruction() {

 if (halt) 
 return false;       

  // Read next instruction from memory.  
  instructionRegister = memory.read(instructionCounter);  


 operationCode = getOperationCode(instructionRegister);  
 operand =getOperand(instructionRegister);       


 boolean transferOfControl = false;       

 //  execute the instruction.

/* switch (operationCode)
{
case READ:

        Scanner scan = new Scanner(System.in); 

        // Read a word from the keyboard.       
        System.out.print("Enter an integer: ");               

        // Write word to memory.       
        memory.write(operand, scan.nextInt());     


        break;           

 case WRITE:        

       // Read a word from memory.      
      int data = memory.read(operand);        

       // Display the word on the screen        

     if (!halt)
         System.out.println(data);            

      break;            

 case LOAD:       

     // Load a word from memory into the accumulator.      

     accumulator = memory.read(operand); //    accumulator=memory[operand]; 

     break;


case STORE:       

     // Store accumulator into memory.      

     memory.write(operand, accumulator);  // memory[operand]=accumulator;  


     break;             

case ADD:      

      // Add word from memory to accumulator.      

       accumulator += memory.read(operand);      


       break;             

case SUBTRACT:       

     // Subtract word from memory from accumulator.        

       accumulator -= memory.read(operand);       


       break;            

case DIVIDE:      

      // Divide accumulator by a word loaded from memory.      

       int divisor = memory.read(operand);   //divisor=memory[oprand] ;  

       if (!halt)        
         if (divisor == 0)         
        {          
              System.out.println("*** Attempt to divide by zero ***");           

        }        

        else            accumulator /= divisor;        

        break;          

case MULTIPLY:       

     // Multiply accumulator by a word loaded from memory.       

       accumulator *= memory.read(operand);     


       break;       

case BRANCH:       

     // Branch to location in memory.       

        instructionCounter = operand;      
        transferOfControl = true;       

        break;             

case BRANCHNEG:       

     // Branch to location in memory if accumulator is negative.      

       if (accumulator < 0)      
      {     
         instructionCounter = operand;        
         transferOfControl = true;     
      }      
      break;

case BRANCHZERO:

   // Branch to location in memory if accumulator is zero.      

       if (accumulator == 0)

      {    
        instructionCounter = operand;    
        transferOfControl = true;        
      }     

       break;             

case HALT:           

       System.out.println("*** Simpletron execution terminated ***");       
       transferOfControl = true;      
       halt = true;     

       break;           

default:       

     System.out.println("*** Invalid operation code ***");      

       halt= true; // break;    



     }     



     if (!transferOfControl) 


           instructionCounter++; */
          fileItem1.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          {  String s=" ";
              JOptionPane.showInputDialog("Enter AN Integer");
              int c=Integer.parseInt(s);
             memory.write(operand, c);  
          }




  });

           fileItem2.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
       // Read a word from memory.      
      int data = memory.read(operand);        

       // Display the word on the screen        

     if (!halt)
         JOptionPane.showMessageDialog(null, data);   
          }




  });
            fileItem3.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
         accumulator = memory.read(operand);
          }




  });
            fileItem4.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
         memory.write(operand, accumulator);
          }




  });

             fileItem5.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        accumulator += memory.read(operand);  
          }




  });
              fileItem6.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        accumulator -= memory.read(operand);  
          }




  });
               fileItem7.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        accumulator /= memory.read(operand);  
          }




  });
                fileItem8.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        accumulator *= memory.read(operand);  
          }




  });
                 fileItem9.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        instructionCounter = operand;    
          }




  });
                 fileItem9.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        instructionCounter = operand;    
          }




  });
                 fileItem10.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        if (accumulator < 0)      
      {     
         instructionCounter = operand;        

      }      
          }




  });
                 fileItem11.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          { 
        if (accumulator == 0)      
      {     
         instructionCounter = operand;        

      }          
          }




  });
                  fileItem11.addActionListener(new ActionListener(){


          public void actionPerformed(ActionEvent e)
          {  

              System.out.println("*** Simpletron execution terminated ***");       

           halt = true;   

          }




  });
                  return !halt;

}

public void dump() {
/*System.out.printf(" accumulator\t\t\t%+05d\n", accumulator); System.out.printf("instructionCounter\t\t %02d\n", instructionCounter); System.out.printf("instructionRegister\t\t%+05d\n", instructionRegister); System.out.printf("operationCode \t\t\t %02d\n", operationCode);
System.out.printf("operand \t\t\t\t %02d\n", operand);*/ accumulator1.setText(" "+accumulator) ; instructionCounter1.setText(" "+instructionCounter); instructionRegister1.setText(" "+instructionRegister); operationCode1.setText(" "+ operationCode); operand1.setText(" "+operand);

}

public static void main(String[] args)

 {  
    JFrame ob=new JFrame();
    MemoryClass g=new MemoryClass(100);
    RegistorClass f=new RegistorClass(g);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(500,500);
    JButton b=new JButton(" Welcom");
    ob.add(b);
    b.addActionListener(new ActionListener()

    {

        public void actionPerformed(ActionEvent e)
        {
            JTextArea a;
            Box box=Box.createHorizontalBox();
            String s="*** Welcome to Simpletron! ***"+"\n"+"*** Please enter your program one instruction   ***"+
                    "\n"+"*** (or data word) at a time. I will display    ***"+"\n"+"*** the location number and a question mark (?) ***"+
                    "\n"+"*** You then type the word for that location.   ***"+"\n"+"*** Type -99999 to stop entering your program.  ***";
            a=new  JTextArea(s,10,15);
            box.add(new JScrollPane(a));
        }
    });



    /*MachineClass machine = new MachineClass ();   
    machine.inputProgramToMemory();  
    machine.executeProgram();*/

f.setVisible(true);
} }

class MachineClass {

private MemoryClass memory1;
private RegistorClass registor1 ;
public static final int MEMORY_WORD = 100;

public MachineClass()
{  
     memory1=new MemoryClass( MEMORY_WORD);
     registor1=new RegistorClass(memory1);


}

public void inputProgramToMemory() {
JFrame frame=new JFrame(); JButton b= new JButton(" input"); frame.add(b); b.addActionListener(new ActionListener (){

    public void actionPerformed(ActionEvent e)
    {
        Scanner input =new Scanner(System.in);   
JPanel ob=new JPanel();
int memoryWord=0;
final int END_OF_INPUT = -9999;      

System.out.printf("%02d ? ", memoryWord);
int data = input.nextInt();

while(data !=END_OF_INPUT)      
{      
   memory1.write(memoryWord,data);
   memoryWord++;
   System.out.printf("%02d ? ", memoryWord);  
   data = input.nextInt();
}

           System.out.println("*** Program loading completed ***");
           System.out.println(); 

}   


});

}

public void computerDump() { JFrame frame=new JFrame(); JLabel ob =new JLabel("REGISTERS:");
registor1.dump();
frame.add(ob,BorderLayout.SOUTH); JLabel ob1 =new JLabel("MEMORY:"); frame.add(ob1,BorderLayout.CENTER);
memory1.dump(); }

// Execute program  
public void executeProgram()
{   
     JOptionPane.showMessageDialog(registor1, "*** Program execution begins  ***");        

     while (  registor1.executeNextInstruction()) ;       
          computerDump(); 
}

}

class MemoryClass {

private int[] memory; 

public MemoryClass(int amountOfMemoryWord )

{ memory = new int[amountOfMemoryWord];

}


 // Write a value to memory.  
public void write(int word, int value) 
{       
      if (word < 0 || word >= memory.length)  
      {     
          System.out.println("*** Attempt to write to a non-existing memory location ***");   
      }

     else memory[word] = value; 

 }   


public int read(int word) 

{   
     int value = 0;       
     if (word < 0 || word >= memory.length)   
     {      System.out.println("*** Attempt to read from a non-existing  memory location ***");     

     }   
     else value = memory[word];     
  return value;  

}   



 public void dump() 
{     


     System.out.print( "   ");  
     for (int i = 0; i < 10; i++)  
     System.out.printf("%5d ", i);       

     System.out.println();       

     for (int i = 0; i < memory.length; i += 10)   
     {     
         System.out.print("  "+ i+ " ");     
         for (int j = 0; j < 10 && i+j < memory.length; j++)       
                System.out.printf("%+05d ", memory[i + j]); //05>>> to print five digits ???        
                System.out.println();   
      } 
 }   


 }


thanks >>>>


Advertisement
View Answers

Related Tutorials/Questions & Answers:
Advertisements
 

 

 

DMCA.com