Program using GUI in java

Code: import javax.swing.*; import java.awt.*; public class GUITest { JFrame myFrame; public void initGUI() { myFrame=new JFrame(); Container c=myFrame.getContentPane(); c.setLayout(new FlowLayout()); JTextField tf=new JTextField(10); ...

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Reading data from a given file

Program: //In this program we are reading the data from a file. import java.io.*; public class filer { public static void main(String ar[]) { try { FileReader fr=new FileReader("input.txt"); BufferedReader br=new BufferedReader(fr); ...

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Writing data in given file

Program: /*In this program we are writing the data in the file.File will automatically created if there is not a file with the given name*/ import java.io.*; public class file { public static void main(String ar[]) { try { FileWriter fw=new FileWriter("output.txt"); PrintWriter pw=new PrintWriter(fw); String str="Hello"; String...

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Java Program Using GUI

Program: import javax.swing.*; class sw { public static void main(String ar[]) throws Exception { int i=10; int j=20; JOptionPane.showInputDialog("This is a simple program using GUI"); JOptionPane.showMessageDialog(null,"The...

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Chating program using UDP

Program to chat using UDP Protocol Server: import java.io.*; import java.net.*; import java.util.*; class udpchs { public static void main(String ar[]) throws Exception { DatagramSocket ssoc=new DatagramSocket(3232); BufferedReader...

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Echo program using UDP

Program to send date using UDP Protocol Server Code: import java.io.*; import java.net.*; import java.util.*; class udpehs { public static void main(String ar[]) throws Exception { String clsent,ssent; DatagramSocket ssoc=new DatagramSocket(3232); ...

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Chating program using TCP

Program for chatting using TCP Protocol Server Code: import java.io.*; import java.net.*; import java.util.*; class tcpchs { public static void main(String ar[]) throws Exception { String clsent,ssent; ServerSocket wsoc=new ServerSocket(3232); ...

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Echo program using TCP

Echo Program using TCP Protocol Program for Server: import java.io.*; import java.net.*; import java.util.*; class tcpechos { public static void main(String ar[]) throws Exception { String csent,ssent; ServerSocket ss=new ServerSocket(1232); ...

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Remote Server and Remote Client

Program to use Remote Server and Client programs to run any application Program for Server: import java.io.*; import java.net.*; import java.util.*; class rms { public static void main(String ar[]) throws Exception { String csent,ssent; ...

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Ping Program

Program in java for Ping Program: import java.io.*; import java.net.*; import java.util.*; class ping { public static void main(String ar[]) throws Exception { try{ String str; BufferedReader buf=new BufferedReader(new InputStreamReader(System.in)); ...

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Shortest Distance Program

Program to find the shortest distance in the given graph in java. Program Code: import java.io.*; import java.net.*; import java.util.*; class dj { public static void main(String ar[]) throws Exception { int i,j,n,temp,temp1,source,destination,tc,min; ...

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Intermediate Code Generation

Program to generate intermediate code of any given expression. Program: #include<iostream.h> #include<conio.h> #include<ctype.h> main() {       int i,k,t,len,b,p,j,c=0,y,o;       char exp[45],temp[8][50],A[8],stack[8][8];  ...

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Implementation of Lexical Analyzer

Program to implement lexical analyzer in c++. Program: #include<iostream.h> #include<conio.h> #include<ctype.h> #include<string.h> main() {       int i,j,k,f,len,t;       char exp[100],word[12][12];  ...

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Leading Edges for non terminals

Program to find the leading edge for non terminals present in the grammar production. Program Code: #include<iostream.h> #include<conio.h> #include<string.h> main() { int n,j,i,k,b; char pr[10][10],lead[10],temp; ...

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Trailing Edges For Productions

Program to find the trailing edge for non terminals present in the grammar production. Program Code: #include<iostream.h> #include<conio.h> #include<string.h> #include<ctype.h> main() { int n,j,i,len,l; char...

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Dijkastra's Algorithm

Here is the program to find the shortest path between two nodes using Dijkastra algorithm import java.io.*; class MyDijkastra3 { public static void main(String args[]) throws Exception { int n,i,j,tc,temp,current,source,destination,minimum; int nodes[]=new int[20]; int cost[]=new int[10]; int distance[][]= new int[20][20]; tc=0;temp=0;int...

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Basics of C++

1)What are the different storage classes in C? Ans=>C has three types of storage: automatic, static and allocated.           Variable having block scope and without static specifier have            automatic storage duration.          ...

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Worst Fit Memory Management Scheme

worst fit memory management program in c++ #include<iostream.h> #include<conio.h> #include<stdio.h> class WFMM { int a[50],c,par,i,j,n,p[50],d[50],r,s,b,m,min,g;  public:            void input();         void output(); }X; void WFMM::input() {  c=1000;  r=c;  cout<<"Total...

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Best Fit Memory Management Scheme

We can also allocate memory locations to dofferent processes using best fit memory management scheme.Here is the code in C++ #include<iostream.h> #include<conio.h> #include<stdio.h> class BFMM { int a[50],c,par,i,j,n,p[50],d[50],r,s,b,m,min,g;  public:            void input();        ...

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First Fit Memory Management

we can use first fit memory management scheme to allocate memory space to different processes.Here is the program in c++ #include<iostream.h> #include<conio.h> #include<stdio.h> class FFMM { int a[50],c,par,i,j,n,p[50],d[50],e[50],r,s,b;  public:            void input();        ...

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