//this is create is Dev editor
Program for Find Char and ASCII codes in C++
#include<iostream> using namespace std; int main() { int ch; do { cout<<"\n\n\tMenu\n\t\t\t1. Find Character of ASCII code\n\t\t\t2. Find code of character\n\t\t\t3. Exit"<<endl; cin>>ch; if (ch==1) { char chr; cout<<"Enter a Character to find ASCII code\n"; cin>>chr; cout<<" code of character is:"<<(int)chr<<endl; } else if (ch==2) { int num; cout<<"Enter a Code to find character\n"; cin>>num; cout<<" code of character is:"<<(char)num<<endl; } else if (ch==3) {cout<<"Press Enter :)"; } else { cout<<"Something Went Wrong"<<endl;//break } }while(ch!=3); }
Output

// Using 2D array in Java get 3 subject mark and give result total student are 10
// keep visit for more updates
package ahsan;
import java.util.Scanner;
public class Ahsan {

    public static void main(String[] args) {
    Scanner obj=new Scanner(System.in);
    int sum=0, per=0;
    int arry [][]= new int [10][3];
    for(int r=0; r<10; r++)
    {
        System.out.print("\t"+(r+1)+" Student :\n");
        for(int c=0; c<3; c++)
        {
             System.out.print("\t"+(c+1)+" Subject Marks :");
             arry[r][c]=obj.nextInt();
             sum+=arry[r][c];
        }
         System.out.println("Total is :"+sum);
        per=sum*100/300;
        System.out.println("Percenstage is :"+per );
        if (per >=80)
        {System.out.println(" A Grade");}
        else if (per >=65)
        {System.out.println("B Grade");}
        else if (per >= 50)
        {System.out.println("C Grade");}
        else if (per >=40)
        {System.out.println("D Grade");}
        else
        {System.out.println("Fail");}
    sum=0;
    per=0;
    }
    }
}

Output of this Program this is continue Run 10 times.

// Simple java Input
// get number form user and provide table of that number.


package ahsan;
import java.util.Scanner;
public class Ahsan {
public static void main(String []arg){
Scanner obj= new Scanner(System.in);
    int a,b;
    int ch;
do{System.out.print("Enter Your Number want to
see Table of that number\n");
ch=obj.nextInt();
System.out.println("Table of "+ch+" is :");
for(int i=1; i<11; i++)
{  
System.out.println(i+"\t"+ch+"\t"+(i*ch));
}}while(ch!=0);
}  
}


Output of this program.

Calculator with GUI in Java
You must save file as CalculatorPanel.Java
thank you keep visiting for more updates



/*
* To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package javaapplication29;



import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

// A panel with calculator buttons and a result display

public class CalculatorPanel extends JPanel {

private JButton display;
private JPanel panel;
private double result;
private String lastCommand;
private boolean start;

    public static void main(String[] args) {
        CalculatorPanel cp = new CalculatorPanel();
   
    }
    public JFrame frame ;
public CalculatorPanel(){
setLayout(new BorderLayout());
result = 0;
lastCommand = "=";
start = true;

// add the display
display = new JButton("0");
display.setEnabled(false);
add(display, BorderLayout.NORTH);

ActionListener insert = new InsertAction();
ActionListener command = new CommandAction();
frame = new JFrame("calculator");
frame.add(this);
frame.setVisible(true);
//add the buttons in a 4 x 4 grid
panel = new JPanel();
panel.setLayout(new GridLayout(4, 4));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

addButton("7", insert);
addButton("8", insert);
addButton("9", insert);
addButton("/", command);

addButton("4", insert);
addButton("5", insert);
addButton("6", insert);
addButton("*", command);

addButton("1", insert);
addButton("2", insert);
addButton("3", insert);
addButton("-", command);

addButton("0", insert);
addButton(".", insert);
addButton("=", command);
addButton("+", command);

add(panel, BorderLayout.CENTER);

}

/**
* Adds a button to the center panel.
* @param label the button label.
* @param listener the button listener
*/

private void addButton(String label, ActionListener listener)
{
JButton button = new JButton(label);
button.addActionListener(listener);
panel.add(button);
}

/**
* This action insert the button action string to the end of the display text
*/

private class InsertAction implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
String input = event.getActionCommand();
if (start);
{
display.setText(" ");
start = false;
}
display.setText(display.getText() + input);
}
}

/**
* This action executes the command that the button action string denotes
*/

private class CommandAction implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
String command = event.getActionCommand();

if(start)
{
if (command.equals("_"))
{
display.setText(command);
start = false;
}
else lastCommand = command;
}
else
{
calculate(Double.parseDouble(display.getText()));
lastCommand = command;
start = true;
}
}
}

/**
* Carries out the pending calculation.
* @param X the value to be accumalated with the prior result
*/

public void calculate(double x)
{
if(lastCommand.equals("+")) result += x;
else if(lastCommand.equals("-")) result -= x;
else if(lastCommand.equals("*")) result *= x;
else if(lastCommand.equals("/")) result /= x;
else if(lastCommand.equals("=")) result = x;
display.setText("" + result);
}
}

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// 2D array Program numbers in table form.
//Java 2D Array
package assignment6;


public class Assignment6 {

 
    public static void main(String[] args) {
     int array[][]={{2,4,6,8,10},{3,5,7,9,11},{4,6,8,10,12},{5,7,9,11,13}};
     for(int r=0; r<4; r++)
        {
            for(int c=0; c<5; c++)
                {
                System.out.print(array[r][c]+"\t");
                 }
                System.out.println();
        }          
}
}

Features of Java

1. Simple
2. Object-Oriented
3. Platform independent
4. Secured
5. Robust
6. Architecture neutral
7. Portable
8. Dynamic
9. Interpreted
10. High Performance
11. Multithreaded
12. Distributed

---

Simple

According to Sun, Java language is simple because:

syntax is based on C++ (so easier for programmers to learn it after C++).

removed many confusing and/or rarely-used features e.g., explicit pointers, operator overloading etc.

No need to remove unreferenced objects because there is Automatic Garbage Collection in java.

---

Object-oriented

Object-oriented means we organize our software as a combination of different types of objects that incorporates both data and behaviour.

Object-oriented programming(OOPs) is a methodology that simplify software development and maintenance by providing some rules.

Basic concepts of OOPs are:

Object Class Inheritance Polymorphism Abstraction Encapsulation

---

Platform Independent

A platform is the hardware or software environment in which a program runs. There are two types of platforms software-based and hardware-based. Java provides software-based platform. The Java platform differs from most other platforms in the sense that it's a software-based platform that runs on top of other hardware-based platforms.It has two components: Runtime Environment API(Application Programming Interface)

Java code can be run on multiple platforms e.g.Windows,Linux,Sun Solaris,Mac/OS etc. Java code is compiled by the compiler and converted into bytecode.This bytecode is a platform independent code because it can be run on multiple platforms i.e. Write Once and Run Anywhere(WORA).

---

Secured

Java is secured because:

No explicit pointer Programs run inside virtual machine sandbox.

Classloader- adds security by separating the package for the classes of the local file system from those that are imported from network sources. Bytecode Verifier- checks the code fragments for illegal code that can violate access right to objects. Security Manager- determines what resources a class can access such as reading and writing to the local disk.

These security are provided by java language. Some security can also be provided by application developer through SSL,JAAS,cryptography etc.

---

Robust

Robust simply means strong. Java uses strong memory management. There are lack of pointers that avoids security problem. There is automatic garbage collection in java. There is exception handling and type checking mechanism in java. All these points makes java robust.

---

Architecture-neutral

There is no implementation dependent features e.g. size of primitive types is set.

---

Portable

We may carry the java bytecode to any platform.

---

High-performance

Java is faster than traditional interpretation since byte code is "close" to native code still somewhat slower than a compiled language (e.g., C++)

---

Distributed

We can create distributed applications in java. RMI and EJB are used for creating distributed applications. We may access files by calling the methods from any machine on the internet.

---

Multi-threaded

//File must Save as Abox.java
//just run this program and enjoy :)
//for more keep visiting this blog thanks

package Aboc;

import javax.swing.JOptionPane;
public class Abox
 {
    public static void main(String[] args)
 {
JOptionPane.showMessageDialog(null, "Hi This is Ahsan DOn't Fogate to"
     + " Follow to get more update");
}
 
}

Output of this program is:

C++, how to find character by ASCII or UNI code,  in c++
#include<iostream> using namespace std; int main () { //this program run in DEV Editor. int i; char a; cout<<"ENter A Number For find Character"<<endl; cin>>i; cout<<"Uni Code of "<<i<<" is = "<<(char)i; cout<<"\n \nEnter y for reset "; cin>>a; if (a=='y'|| a=='Y') { cout<<"\t\tWelcome"<<endl; main(); } else { cout<<"something went wrong"<<endl; } } //don't forget to like FACEBOOK PAGE


Output of this program :) keep ENjoYinG ♥

TQM?

Ashqan dy senny wich Jehra Dard ni lyris by aahsan-soomro

Serial No	Name	E-mail Address	Roll No
1	ShahanshahVighio	shehanshahvighio@yahoo.com	2K14-I.T-79
2	Ahsan Ali Soomro	aahsansoomro@gmail.com	2K14-I.T-07
3	MaulaBuxVighio	-------------------------------	2K14-I.T-36