QUALITY LEARNING

Verify Mobile Number Valid or Invalid

August 27, 2016 qualitylearning Leave a comment

Program:

Valid Mobile Number:

package javabasics;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MobileValidation {

	public static void main(String[] args) 
	{
		String mn ="9254256";
		
		String form1="[0/91]?[7-9][0-9]{9}";
		
		Pattern p =Pattern.compile(form1);
		
	    Matcher m=p.matcher(mn);
	    
	    if(m.find()&&m.group().equals(mn))
	    {
	        System.out.println("Valid mobile number");
	    }
	    else
	    {
	        System.out.println("Invalid mobile number");
	    }

	}

}

package javabasics;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class MobileValidation {

public static void main(String[] args)

{

String mn ="9254256";

String form1="[0/91]?[7-9][0-9]{9}";

Pattern p =Pattern.compile(form1);

Matcher m=p.matcher(mn);

if(m.find()&&m.group().equals(mn))

{

System.out.println("Valid mobile number");

}

else

{

System.out.println("Invalid mobile number");

}

Output:

Valid mobile number

Invalid Mobile Number:

package javabasics;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MobileValidation {

	public static void main(String[] args) 
	{
		String mn ="9254256";
		
		String form1="[0/91]?[7-9][0-9]{9}";
		
		Pattern p =Pattern.compile(form1);
		
	    Matcher m=p.matcher(mn);
	    
	    if(m.find()&&m.group().equals(mn))
	    {
	        System.out.println("Valid mobile number");
	    }
	    else
	    {
	        System.out.println("Invalid mobile number");
	    }

	}

}

package javabasics;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class MobileValidation {

public static void main(String[] args)

{

String mn ="9254256";

String form1="[0/91]?[7-9][0-9]{9}";

Pattern p =Pattern.compile(form1);

Matcher m=p.matcher(mn);

if(m.find()&&m.group().equals(mn))

{

System.out.println("Valid mobile number");

}

else

{

System.out.println("Invalid mobile number");

}

Output:

Invalid mobile number

Verify email address valid or invalid

August 27, 2016 qualitylearning Leave a comment

Program:

Valid Email Address:

package javabasics;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class EmailValidation {

	public static void main(String[] args)
	{
		 String eid = "contact@qualitylearning.in";
		 
		 String target = "^[_A-Za-z0-9-]+@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
		 
		 Pattern p =Pattern.compile(target);
		 
		 Matcher m=p.matcher(eid);
		 
		 if(m.find()&&m.group().equals(eid))
		 {
		    System.out.println("Valid mail id");
		 }
		 else
		 {
			 System.out.println("Invalid mail id");
		 }
		   
	}

}

package javabasics;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class EmailValidation {

public static void main(String[] args)

{

String eid = "contact@qualitylearning.in";

String target = "^[_A-Za-z0-9-]+@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";

Pattern p =Pattern.compile(target);

Matcher m=p.matcher(eid);

if(m.find()&&m.group().equals(eid))

{

System.out.println("Valid mail id");

}

else

{

System.out.println("Invalid mail id");

}

Output:

Valid mail id

Invalid Email Address:

package javabasics;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class EmailValidation {

	public static void main(String[] args)
	{
		 String eid = "contact@qualityle";
		 
		 String target = "^[_A-Za-z0-9-]+@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
		 
		 Pattern p =Pattern.compile(target);
		 
		 Matcher m=p.matcher(eid);
		 
		 if(m.find()&&m.group().equals(eid))
		 {
		    System.out.println("Valid mail id");
		 }
		 else
		 {
			 System.out.println("Invalid mail id");
		 }
		   
	}

}

package javabasics;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class EmailValidation {

public static void main(String[] args)

{

String eid = "contact@qualityle";

String target = "^[_A-Za-z0-9-]+@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";

Pattern p =Pattern.compile(target);

Matcher m=p.matcher(eid);

if(m.find()&&m.group().equals(eid))

{

System.out.println("Valid mail id");

}

else

{

System.out.println("Invalid mail id");

}

Output:

Invalid mail id

while loop declaration

March 21, 2016 qualitylearning

Program:

package javabasics;

public class WhileLoopDemo {
			
	public static void main(String[] args) 
	{
		System.out.println("Loop started"+"\n");
		
		int a=60;
		
		while (a<90)
		{
			System.out.println("The value of a:--"+a+"\n");
			
			a++;
		}
		
		System.out.println("Loop ended"+"\n");	
			
				
	}

}

package javabasics;

public class WhileLoopDemo {

public static void main(String[] args)

{

System.out.println("Loop started"+"\n");

int a=60;

while (a<90)

{

System.out.println("The value of a:--"+a+"\n");

a++;

}

System.out.println("Loop ended"+"\n");

}

Output:

Loop started

The value of a:–60

The value of a:–61

The value of a:–62

The value of a:–63

The value of a:–64

The value of a:–65

The value of a:–66

The value of a:–67

The value of a:–68

The value of a:–69

The value of a:–70

The value of a:–71

The value of a:–72

The value of a:–73

The value of a:–74

The value of a:–75

The value of a:–76

The value of a:–77

The value of a:–78

The value of a:–79

The value of a:–80

The value of a:–81

The value of a:–82

The value of a:–83

The value of a:–84

The value of a:–85

The value of a:–86

The value of a:–87

The value of a:–88

The value of a:–89

Loop ended

for loop declaration

March 21, 2016 qualitylearning

Program:

package javabasics;

public class ForLoopDemo {
			
	public static void main(String[] args) 
	{
		System.out.println("Loop started"+"\n");
		
		for (int a=1;a<=10;a++)
		{
			System.out.println("The value of a:--"+a+"\n");
		}
		System.out.println("Loop ended"+"\n");
	}

}

package javabasics;

public class ForLoopDemo {

public static void main(String[] args)

{

System.out.println("Loop started"+"\n");

for (int a=1;a<=10;a++)

{

System.out.println("The value of a:--"+a+"\n");

}

System.out.println("Loop ended"+"\n");

}

Output:

Loop started

The value of a:–1

The value of a:–2

The value of a:–3

The value of a:–4

The value of a:–5

The value of a:–6

The value of a:–7

The value of a:–8

The value of a:–9

The value of a:–10

Loop ended

Local and Global Variable

February 21, 2016 qualitylearning

Program:

package javabasics;

public class VariableDemo {
	
	static int num = 50;
	
	public static void main(String[] args) 
	{
		int a=5;
		
		//a local variable
		System.out.println("The value of a: ---"+a+"\n");
		
		//num is a gloabal variable
		System.out.println("The value of num: ---"+num+"\n");
		
		

	}

}

package javabasics;

public class VariableDemo {

static int num = 50;

public static void main(String[] args)

{

int a=5;

//a local variable

System.out.println("The value of a: ---"+a+"\n");

//num is a gloabal variable

System.out.println("The value of num: ---"+num+"\n");

}

Output:

The value of a: —5

The value of num: —50

Data Type: float

February 21, 2016 qualitylearning

Program:

package javabasics;

public class FloatDemo {

	public static void main(String[] args) 
	{	
		float marksinscience = (float) 85.63;
		
		System.out.println("Marks in science: ---"+marksinscience+"\n");
		
		double marksinmaths = 45.66;
		
		System.out.println("Marks in maths: ---"+marksinmaths+"\n");
		
		int a = (int)45.66;
		
		System.out.println("The value of a: ---"+a+"\n");
		
		

	}

}

package javabasics;

public class FloatDemo {

public static void main(String[] args)

{

float marksinscience = (float) 85.63;

System.out.println("Marks in science: ---"+marksinscience+"\n");

double marksinmaths = 45.66;

System.out.println("Marks in maths: ---"+marksinmaths+"\n");

int a = (int)45.66;

System.out.println("The value of a: ---"+a+"\n");

}

Output:

Marks in science: —85.63

Marks in maths: —45.66

The value of a: —45

Data Type: Int

February 21, 2016 qualitylearning

Program:

package javabasics;

public class IntDemo {

	public static void main(String[] args) 
	{
		byte marks = 86;
		
		System.out.println("My marks: ---"+marks+"\n");
		
		short cost = 150;
		
		System.out.println("Books cost: ---"+cost+"\n");
		
		int mobilenumber = 89892589;
		
		System.out.println("My mobile number: ---"+mobilenumber+"\n");
		
		long number = 898925899;
		
		System.out.println("My number: ---"+number+"\n");

	}

}

package javabasics;

public class IntDemo {

public static void main(String[] args)

{

byte marks = 86;

System.out.println("My marks: ---"+marks+"\n");

short cost = 150;

System.out.println("Books cost: ---"+cost+"\n");

int mobilenumber = 89892589;

System.out.println("My mobile number: ---"+mobilenumber+"\n");

long number = 898925899;

System.out.println("My number: ---"+number+"\n");

}

Output:

My marks: —86

Books cost: —150

My mobile number: —89892589

My number: —898925899

Data Type: char

February 21, 2016 qualitylearning

Program:

package javabasics;

public class CharDemo {

	public static void main(String[] args) 
	{
		char a = 'Q';
		
		char b = 'L';
		
		System.out.println("First char value: ---"+a+"\n");
		
		System.out.println("First char value: ---"+b+"\n");
		
		char c = 65;
		
		System.out.println("First char value: ---"+c+"\n");

	}

}

package javabasics;

public class CharDemo {

public static void main(String[] args)

{

char a = 'Q';

char b = 'L';

System.out.println("First char value: ---"+a+"\n");

System.out.println("First char value: ---"+b+"\n");

char c = 65;

System.out.println("First char value: ---"+c+"\n");

}

Output:

Character a value: —Q

Character b value: —L

Character c value: —A

Data Type: boolean

February 21, 2016 qualitylearning

Program:

package javabasics;

public class BooleanDemo {

public static void main(String[] args)
{
boolean status = false;

System.out.println("Status: ---"+status);

}

}

package javabasics;

public class BooleanDemo {

public static void main(String[] args)

{

boolean status = false;

System.out.println("Status: ---"+status);

}

Output:

Status: —false

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