Determine character is uppercase

Complete source code below will show you, how to determine character is uppercase or not in java.

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COMPLETE SOURCE CODE FOR : DetermineCharacterIsUppercase.java
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public class DetermineCharacterIsUppercase
{
public static void main(String[]args)
{
 //Create a uppercase character using char with value(B)
 //You can try change it's value to letter(b)
 char a='B';

 //Determine created character is uppercase or not
 //using method isUpperCase from class Character.
 //isUpperCase is a static method, so we don't need to create object when
 //we want to use it.
 if(Character.isUpperCase(a))
 {
  //Print (It is an uppercase) if character is an uppercase
  System.out.println("It is an uppercase");
 }
 else
 {
  //Print (It is not an uppercase) if character is not an uppercase
  System.out.println("It is not an uppercase");
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Determine character is lowercase

Complete source code below will show you, how to determine character is lowercase or not in java.

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COMPLETE SOURCE CODE FOR : DetermineCharacterIsLowercase.java
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public class DetermineCharacterIsLowercase
{
public static void main(String[]args)
{
 //Create a lowercase character using char with value(b)
 //You can try change it's value to letter(B)
 char a='b';

 //Determine created character is lowercase or not
 //using method isLowerCase from class Character.
 //isLowerCase is a static method, so we don't need to create object when
 //we want to use it.
 if(Character.isLowerCase(a))
 {
  //Print (It is a lowercase) if character is a lowercase
  System.out.println("It is a lowercase");
 }
 else
 {
  //Print (It is not a lowercase) if character is not a lowercase
  System.out.println("It is not a lowercase");
 }
}
}

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Determine character is letter or digit

Complete source code below will show you, how to determine character is letter or digit in java.

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COMPLETE SOURCE CODE FOR : DetermineCharacterIsLetterOrDigit.java
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public class DetermineCharacterIsLetterOrDigit
{
public static void main(String[]args)
{
 //Create a character using char with value(3)
 //You can try change it's value to letter(k)
 char a='3';

 //Determine created character is letter or digit
 //using method isLetterOrDigit from class Character.
 //isLetterOrDigit is a static method, so we don't need to create object when
 //we want to use it.
 if(Character.isLetterOrDigit(a))
 {
  //Print (It is a letter or a digit) if character is a letter or digit
  System.out.println("It is a letter or a digit");
 }
 else
 {
  //Print (It is not a letter or digit) if character is not a letter or digit
  System.out.println("It is not a letter or digit");
 }
}
}

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Determine character is letter or not

Complete source code below will show you, how to determine character is letter or not in java.

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COMPLETE SOURCE CODE FOR : DetermineCharacterIsLetter.java
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public class DetermineCharacterIsLetter
{
public static void main(String[]args)
{
 //Create a character using char with value(m)
 char a='m';

 //Determine created character is letter or not
 //using method isLetter from class Character.
 //isLetter is a static method, so we don't need to create object when
 //we want to use it.
 if(Character.isLetter(a))
 {
  //Print (It is a letter) if character is a letter
  System.out.println("It is a letter");
 }
 else
 {
  //Print (It is not a letter) if character is not a letter
  System.out.println("It is not a letter");
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Determine character is digit or not

Complete source code below will show you, how to determine character is digit or not in java.

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COMPLETE SOURCE CODE FOR : DetermineCharacterIsDigit.java
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public class DetermineCharacterIsDigit
{
public static void main(String[]args)
{
 //Create a character using char with value(4)
 char a='4';

 //Determine created character is digit or not
 //using method isDigit from class Character.
 //isDigit is a static method, so we don't need to create object when
 //we want to use it.
 if(Character.isDigit(a))
 {
  //Print (It is a digit) if character is a digit
  System.out.println("It is a digit");
 }
 else
 {
  //Print (It is not a digit) if character is not a digit
  System.out.println("It is not a digit");
 }
}
}

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JUST COMPILE AND EXECUTE IT
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