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| import java.lang.RuntimeException;
import java.util.Stack;
public class laba5 extends javax.swing.JFrame {
public laba5() {
initComponents();
}
@SuppressWarnings("unchecked")
private void initComponents() {
jScrollPane1 =
new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton1 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
setDefaultCloseOperation(
javax.swing.WindowConstants.EXIT_ON_CLOSE);
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jTextArea1.addKeyListener(
new java.awt.event.KeyAdapter() {
public void keyPressed(
java.awt.event.KeyEvent evt) {
jTextArea1KeyPressed(evt);
} }); jScrollPane1.setViewportView(jTextArea1);
jButton1.setText("Verifica");
jButton1.addMouseListener(
new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt){
jButton1MouseClicked(evt);
} });
jLabel1.setForeground(
new java.awt.Color(255, 51, 51));
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup( layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup()
.addContainerGap().addGroup(layout.
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 457, Short.MAX_VALUE).addComponent(jButton1, javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel1,javax.swing.
GroupLayout.PREFERRED_SIZE, 392, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap()) );
layout.setVerticalGroup(layout.
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup (layout.createSequentialGroup().addGap(32, 32, 32).addComponent (jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup()
.addGap(33, 33, 33) .addComponent(jButton1)) .addGroup(layout.createSequentialGroup().addGap(18, 18, 18).addComponent(jLabel1))) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)));
pack();
}// </editor-fold>
private void jButton1MouseClicked(java.awt.event.
MouseEvent evt) {
jLabel1.setText("");
Calcul c = new Calcul();
String s = "";
String s2 = jTextArea1.getText();
try{
boolean k = true;
while(k){
int l = c.funct(jTextArea1.getText()); s=""+s+jTextArea1.getText()+"\n"; jTextArea1.setText(""+c.afisare_stack());
if (l==1){
k=false; s=""+s+jTextArea1.getText()+"\n";
}
c.c.removeAllElements();
}
jTextArea1.setText(s);
}
catch(Exception e ){
jLabel1.setText("Verificati datele introduse");
} }
private void jTextArea1KeyPressed(java.awt.event.KeyEvent evt) {try{ if(evt.getKeyCode()>=48 && evt.getKeyCode()<=57||evt.getKeyCode()==32){ jLabel1.setText(""+evt.getKeyChar());
}
else
throw new RuntimeException();
}
catch(RuntimeException e){
jLabel1.setText("Nu ati introdus numar !");
} }
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(
new Runnable() {
public void run() {
new laba5().setVisible(true);
} }); }
private javax.swing.JButton jButton1;
private javax.swing.JLabel jLabel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
}
class Calcul {
Stack c = new Stack();
public int funct(String text){
String s[] = text.split(" ");
int j = 1;
for(int i=0;i<s.length;i=i+2,j=j+2){
if(j<s.length){
c.add((Integer.parseInt(s[i])+
Integer.parseInt(s[j])));
}
else{
if(i<s.length)
c.add(s[i]);
} }
return c.size();
}
public String afisare_stack(){
String s="";
int j=1;
for(int i=0;i<c.size();i++,j++){
s = ""+s+c.elementAt(i);
if(j!=c.size())
s=""+s+" ";
}
return s;
}} |
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