codeApril2023
import javax.swing.*; import java.awt.*; import java.awt.event.*; class abbabby extends JFrame implements ActionListener{ JLabel lbl,lbloutput; JTextField txt; JButton btn,btn2; public abbabby(){ lbl = new JLabel("Enter String"); txt = new JTextField(50); btn = new JButton("Click here"); btn2 = new JButton("Do Math"); lbloutput = new JLabel("Output"); setLayout(null); lbl.setBounds(20,20,120,30); txt.setBounds(140,20,200,30); btn.setBounds(140,60,200,30); btn2.setBounds(140,100,200,30); lbloutput.setBounds(20,130,200,60); add(lbl); add(txt); add(btn); add(btn2); add(lbloutput); btn.addActionListener(this); btn2.addActionListener(this); } public void actionPerformed(ActionEvent ae){ if(ae.getSource() == btn){ String a = txt.getText(); lbloutput.setText("First Char: "+a.charAt(0)+" Length: "+a.length()+" IndexOf: "+a.indexOf('e')); }else{ int i,v=Integer.parseInt(txt.getText()); for(i=2; iimport javax.swing.*; import java.awt.*; import java.awt.event.*; class buttons extends JFrame implements ActionListener{ JButton [] btn; buttons(){ btn = new JButton[6]; btn[0] = new JButton("1"); btn[1] = new JButton("2"); btn[2] = new JButton("3"); btn[3] = new JButton("4"); btn[4] = new JButton("5"); btn[5] = new JButton("6"); //setLayout(new GridLayout(3,2)); setSize(300,200); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); add(btn[0],BorderLayout.NORTH); add(btn[1],BorderLayout.CENTER); add(btn[2]); add(btn[3]); add(btn[4]); add(btn[5]); for(int i=0;i<6;i++){ btn[i].addActionListener(this); } } public static void main(String[] ullu){ new buttons(); } public void actionPerformed(ActionEvent ae){ if(ae.getSource() == btn[0]){ btn[0].setText("100"); } } }
import javax.swing.*; import java.awt.*; import java.awt.event.*; class mushow extends JFrame implements MouseListener{ JButton btn; mushow(){ btn = new JButton("Mushow"); setSize(500,300); setVisible(true); setLocationRelativeTo(null); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); btn.addMouseListener(this); setLayout(new FlowLayout()); add(btn); } public void mousePressed(MouseEvent me){ System.out.println("Hello"); for(int i=0;i<100;i++){ btn.setLocation((20+i),20); try{ Thread.sleep(100); }catch(Exception ie){ } } } public void mouseClicked(MouseEvent e){} public void mouseEntered(MouseEvent e){ System.out.println("Hello Mouse Entered"); } public void mouseExited(MouseEvent e){ System.out.println("Hello MOuse Out"); } public void mouseReleased(MouseEvent e){} public static void main(String[] argg){ new mushow(); } }