Java Codes

Author: saudahmedkadapa

AREA.class

@@ -0,0 +1,30 @@
+class Account{
+    public String name;
+    protected String email;
+    private String password;
+
+    public String getPassword(){
+        return this.password;
+    }
+    public void setPassword(String pass){
+         this.password=pass;
+    }
+
+}
+
+
+
+
+
+
+public class AccessModifier {
+    public static void main(String[] args) {
+        Account account1=new Account();
+        account1.name="Saud ahmed";
+        account1.email="[email protected]";
+        account1.setPassword("abcd");
+        System.out.println(account1.getPassword());
+
+    }
+    
+}

AccessModifier.java

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+import java.util.ArrayList;
+
+public class ArrayList1 {
+    public static void main(String[] args) {
+        ArrayList<Integer> l1= new ArrayList<>();
+        ArrayList<Integer> l2 =new ArrayList<>(5) ;
+        l1.add(6);
+        l1.add(5);
+
+        l1.add(4);
+        l1.add(2);
+        l2.add(10);
+        l2.add(20);
+        l2.add(40);
+        l2.add(30);
+        
+        l1.add(0,5);
+        l1.add(0,1);
+
+        l1.set(1, 121);
+
+        l1.addAll(l2);
+        //l1.clear();
+        
+
+        l1.add(0,5);
+        System.out.println(l1.contains(27));
+        System.out.println(l1.indexOf(2));
+
+
+        for(int i=0;i<l1.size();i++)
+        {
+
+            System.out.print(l1.get(i));
+            System.out.print(", ");
+
+        }
+    }
+    
+}

ArrayList1.java

@@ -0,0 +1,12 @@
+import java.util.ArrayList;
+
+public class ArrayList2 {
+    public static void main(String [] args)
+    {
+        ArrayList<String> name=new ArrayList<>();
+        name.add("Saud");
+        System.out.println(name);
+
+    }
+    
+}

ArrayList2.java

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+public class Bracnching {
+    public static void main(String[] args) {
+        int i;
+        for ( i=0; i<10;i++)
+        {
+            
+         
+        
+
+        }
+        if(i<3)
+        {
+            
+          
+        }
+        System.out.println(i);
+        
+        
+    }
+    
+}

Bracnching.java

@@ -0,0 +1,30 @@
+class function{
+
+    public void ringing()
+    {
+        System.out.println("phone is Ringing");
+    }
+    public void vibration()
+    {
+        System.out.println(" is it vibration");
+    }
+    public void call()
+    {
+        System.out.println("your are calling me");
+    }
+}
+
+
+
+
+
+public class CellPhone {
+    public static void main(String[] args) 
+    {
+        function ph=new function();
+        ph.call();
+        ph.vibration();
+        ph.ringing();
+    }
+    
+}

CellPhone.class

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+import java.util.Stack;
+
+public class Collection1 {
+    public static void main(String[] args) {
+        
+        Stack < Integer > obj = new Stack <Integer>();
+        obj.push(5);
+        obj.push(6);
+        obj.push(4);
+        obj.push(10);
+        
+   
+       System.out.println(obj.pop());
+       System.out.println(obj);
+        
+       
+
+    }
+    
+}

CellPhone.java

@@ -0,0 +1,46 @@
+
+class MainEmployee
+{
+    public MainEmployee()
+    {
+        int id=54;
+        String name="Saud ahmed";
+    }
+
+    private int id;
+    private String name;
+
+    public String getName()
+    {
+       return name;
+    }
+    public void setName(String n)
+    {
+        this.name=n;
+    }
+    public void setid(int i)
+    {
+        this.id=i;
+    }
+    public int getid()
+    {
+        return id;
+    }
+}
+
+
+public class Const {
+    public static void main(String[] args)
+     {
+        MainEmployee me=new MainEmployee();
+
+        me.setName("Saud ahmed");
+         me.setid(54);
+         
+         System.out.println(me.getid());
+         System.out.println(me.getName());
+
+        
+    }
+    
+}

Collection1.java

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+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+public class Date {
+    public static void main(String[] args) {
+        // LocalDate obj =  LocalDate.now();
+        // System.out.println(obj);
+
+        // LocalDate d = LocalDate.now();
+        // LocalTime t= LocalTime.now();
+        // LocalDateTime ti =LocalDateTime.now();
+        // System.out.println("date=" +d);
+        // System.out.println("Time =" +t);
+        // System.out.println("Date &Time =" +ti);
+
+        LocalDateTime dt =LocalDateTime.now();
+        System.out.println("Before formatting =" +dt);
+        DateTimeFormatter f =DateTimeFormatter.ofPattern("dd-MM-yy HH:mm:ss");
+
+        String formattedDate = dt.format(f);
+        System.out.println("After Formatting=" +formattedDate);
+
+
+
+       
+    
+    }
+    
+}

Const.class

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+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+public class Date1 {
+    public static void main(String[] args) {
+        LocalDate obj = LocalDate.now();
+        System.out.println(obj);
+
+        LocalDateTime dt = LocalDateTime.now();
+        System.out.println(dt);
+
+        Calender c =Calender.getInstance();
+        System.out.println("The current Date is = "+c.getTime());
+
+
+    }
+    
+}

Const.java

@@ -0,0 +1,20 @@
+
+enum Day{
+    Running,Failed,Success,Pending;
+
+}
+
+
+
+public class Enum {
+    public static void main(String[] args) {
+        int i = 5;
+        Day obj =Day.Pending;
+    }
+
+    
+
+    
+    
+}
+

Date.java

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+import java.util.Scanner;
+
+public class ExceptionError {
+    public static void main(String[] args) {
+        int [] marks=new int[3];
+        marks[0]=56;
+        marks[1]=30;
+        marks[2]=25;
+
+        Scanner sc =new Scanner(System.in);
+        System.out.println("ENter the array of index=");
+        int inde= sc.nextInt();
+
+        System.out.println("Ebetr the number divide value =");
+        int number=sc.nextInt();
+
+        try{
+            System.out.println("The value of array index enetered is = " +marks[inde]);
+            System.out.println("The value f /number is = " +marks[inde]/number);
+        }
+        catch(Exception e)
+        {
+            System.out.println("!!!!Some exception Happen!!!");
+            System.out.println(e);
+        }
+    }
+    
+}

Date1.java

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+import java.util.Scanner;
+
+public class Excersie {
+    public static void main(String[] args) {
+       int a;
+       int b;
+       System.out.println("Enter the number =");
+       Scanner sc = new Scanner (System.in);
+       int num= sc.nextInt();
+       for(a=0;a<=num;a++)
+       {
+        for(b=0;b<a;b++)
+        {
+            System.out.print("*");
+        }
+        System.out.println();
+
+       }
+    }
+    
+}