Add more javabeginners files

Java_Beginners/51_javaBeginners.java

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+//tuna.java file
+import java.awt.FlowLayout;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class tuna extends JFrame{
+
+	private JLabel item1;
+
+	public tuna(){
+		super("The title bar");
+		setLayout(new FlowLayout());
+
+		item1 = new JLabel("this is sentence");
+		item1.setToolTipText("This is gona show up on hover");
+		add(item1);
+	}
+
+}
+//apples.java
+import javax.swing.JFrame;
+
+class apples {
+	public static void main(String[] args){
+
+		tuna bucky = new tuna();
+		bucky.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		bucky.setSize(275,180);
+		bucky.setVisible(true);
+	}
+}

Java_Beginners/52_53_54_javaBeginners.java

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+//tuna.jav file
+import java.awt.FlowLayout;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+import javax.swing.JFrame;
+import javax.swing.JTextField;
+import javax.swing.JPasswordField;
+import javax.swing.JOptionPane;
+
+public class tuna extends JFrame{
+
+	private JTextField item1;
+	private JTextField item2;
+	private JTextField item3;
+	private JPasswordField passwordField;
+
+	public tuna(){
+		super("The Title");
+		setLayout(new FlowLayout);
+
+		item1 = new JTextField(10);
+		add(item1);
+
+		item2 = new JTextField("enter text here");
+		add(item2);
+
+		item3 = new JTextField("uneditbale", 20);
+		item3.setEditable(false);
+		add(item3);
+
+		passwordField = new JPasswordField("mypass");
+		add(passwordField);
+
+		thehandler handler = new thehandler();
+		item1.addActionListener(handler);
+		item2.addActionListener(handler);
+		item3.addActionListener(handler);
+		passwordField.addActionListener(handler);
+}	
+
+		private class thehandler implements ActionListener{
+			public void actionPerformed(ActionEvent event){
+
+				String string = "";
+
+				if(event.getSource()==item1)
+						string=String.format("field 1: %s", event.getActionCommand);
+				else if(event.getSource()==item2)
+						string=String.format("field 2: %s", event.getActionCommand);
+					else if(event.getSource()==item3)
+						string=String.format("field 3: %s", event.getActionCommand);
+					else if(event.getSource()==passwordField)
+						string=String.format("password field  is : %s",event.getActionCommand);
+
+			JOptionPane.showMessageDialog(null, string);
+			}
+
+		}
+}
+
+//apples.java file
+import javax.swing.JFrame;
+
+class apples{
+	public static void main(String[] args)
+	{
+		tuna bucky = new tuna();
+		bucky.setDefalutCloseOperation(JFrame.EXIT_ON_CLOSE);
+		bucky.setSize(350,100);
+		bucky.setVisible(true);
+	}
+}

Java_Beginners/55_javaBeginners.java

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+//food.java file
+
+public class food{
+	void eat(){
+				System.out.println(" this food is great");
+}
+
+//tuna.java file
+
+public class tuna extends food{
+	void eat(){
+				System.out.println(" this tuna is great");
+}
+
+//potpie.java file
+
+	public class potpie extends food{
+			void eat(){
+				System.out.println(" this potpie is great");
+			}
+	}
+
+ //apples.java file
+
+ class apples {
+	 public static void main(String[] args)
+	 {
+		 food bucky[] = new food[2];
+		 bucky[0]=new potpie();
+		 bucky[1]=new tuna();
+
+		 for(int x=0;x<2;++x){
+			 bucky[x].eat();
+		 }
+	 }
+ }
+

Java_Beginners/56_javaBeginners.java

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+//food.java file
+
+public class food{
+	void eat(){
+				System.out.println(" this food is great");
+}
+
+//tuna.java file
+
+public class tuna extends food{
+	void eat(){
+				System.out.println(" this tuna is great");
+}
+
+//potpie.java file
+
+	public class potpie extends food{
+			void eat(){
+				System.out.println(" this potpie is great");
+			}
+	}
+
+//fatty.java file
+
+public class fatty{
+	public void digest(food x){
+		x.eat();
+	}
+}
+//apples.java file
+public static void main(String[] args)
+{
+	fatty bucky = new fatty();
+	food fo = new food();
+	food po = new potpie();
+
+	bucky.digest(fo);
+	bucky.digest(po);
+}