TechyNipun

import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.io.*; import java.util.*; class Notepad extends JFrame implements ActionListener { //----------------------------------------------------------------------------------------------------------------------------------------------------------- JTextArea t1; JScrollPane sp; JMenuBar mb; JMenu File; JMenuItem New; JMenuItem Open; JFileChooser fc; JMenuItem Save; JMenuItem SaveAs; JMenuItem PageSetup; JMenuItem Print; JMenuItem Exit; JMenu Edit; JMenuItem Undo; JMenuItem Cut; JMenuItem Copy; JMenuItem Paste; JMenuItem Delete; JMenuItem Find; JMenuItem Find_Next; JMenuItem Replace; JMenuItem Go_To; JMenuItem Select_All; JMenuItem Time_Date; JMenu Format; JMenuItem Word_Wrap; JMenuItem Font; JMenu View; JMenuItem Status_Bar; JMenu Help; JMenuItem View_Help; JMenuItem About_Notepad; //-----------------------------------...

package reversestring; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Scanner; class Cupcake {     public static void main(String args[])     {         Scanner sc=new Scanner(System.in);         String line = null;          List<String> al=new ArrayList<String>();           while (sc.findInLine("(?=\\S)") != null) {         if (sc.hasNextLine()) {         al.add(sc.nextLine());     } else {         break;     } }       int count=0;       for(String ss:al)       {           count++;       }         String[] sm=new String[count];         Iterator it=al.iterator();        ...

import java.util.*; class Sorting { public static void main(String ri[]) {int i,j,temp;         Scanner sc=new Scanner(System.in); System.out.println("enter the number in which u want to perform sorting"); int size=sc.nextInt(); int str[]=new int[size];         System.out.println("enter the numbers"); for( i=0;i<size;i++) { str[i]=sc.nextInt(); } for(i=0;i<size;i++) { for(j=i+1;j<size;j++) { if(str[i]>str[j]) {temp=str[j]; str[j]=str[i]; str[i]=temp; } } } for(i=0;i<size;i++) {System.out.printf("%d",str[i]); } } }

import java.util.*; class Patternhill { public static void main(String rishabh[]) {int i,j,m=-1; int n,p; Scanner sc=new Scanner(System.in); System.out.println("enter a row number"); int k=sc.nextInt(); System.out.println("enter the number of hill but u will get in multiple of 2"); int l=sc.nextInt(); for(i=1;i<=k;i++) {     int u=l-1; int g=l-1; m=m+2; for(j=(k-i);j>=1;j--) { System.out.print(" "); } for(n=m;n>=1;n--) { System.out.print("*"); } while(u>=1){ for (j=(2*(k-i));j>=1;j--) { System.out.print(" "); } for(p=m;p>=1;p--) { System.out.print("*"); } u--;} while(g>=1){for (j=(2*(k-i));j>=1;j--) { System.out.print(" "); }g--;} System.out.println(""); } } }

import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.io.*; import java.util.*; import java.util.ArrayList; import java.util.Iterator; import java.util.List; class Calculater extends JFrame implements ActionListener { //----------------------------------------------------------------------------------------- JTextField tf; JButton b0; JButton b1; JButton b2; JButton b3; JButton b4; JButton b5; JButton b6; JButton b7; JButton b8; JButton b9; JButton badd; JButton bsub; JButton beql; int countadd=0; int countsub=0; //String s[]; //int num[]; int ans=0; //-------------------------------------------------------------------------------------------- public static void main(String cal[])throws Exception { Calculater calc=new Calculater(); } Calculater() { tf=new JTextField(); tf.setBounds(100,50,200,40); add(tf); b1=new JButton("1"); b1.setBounds(100,100,45,30); b1.addA...