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Java Character isLowerCase() Method

The isLowerCase(char ch) method of Character class determines whether the given(or specified) character is a lowercase character or not.

A character is considered to be a lowercase character if the general category given by Character.getTyper(char ch) is a LOWERCASE_LETTER or it has some contributory properties.

Syntax

Parameter

ch: It is the character that needs to be tested.

Return Value

The isLowerCase(char ch) method returns a Boolean value i.e. true if the given(or specified) character is in lowercase. Otherwise, the method returns false.

Example 1

Output:

Enter the first character:H
The first character 'H' is not in lower case.
Enter the second character:h
The second character 'h' is in lower case.

Example 2

Test it Now

Output:

The first character 'A' is in lower case: false
The second character 'b' is in lower case: true
The third character 'M' is in lower case: false
The fourth character 'k' is in lower case: true

Example 3

Test it Now

Output:

The first character 'A' is in lowercase: false
The second character 'a' is in lowercase: true
The third character '_' is in lowercase: false

Java Character isLowerCase() Method

The isLowerCase(int codePoint) method of character class determines whether the given(or specified) character is a lowercase character or not.

A character is considered to be a lowercase character if the general category given by Character.getTyper(int codePoint) is a LOWERCASE_LETTER or it has some contributory properties.

Syntax

Parameters

codePoint: It is the codePoint which is the character that needs to be tested.

Return Value

The isLowerCase(int codePoint) method returns a Boolean value, i.e., true if the given(or specified) character is in lowercase. Otherwise, the method returns false.

Example 1

Test it Now

Output:

The first codePoint  '77' is in lowercase: false
The second codePoint '116' is in lowercase: true
The third codePoint  '198' is in lowercase: false
The fourth codePoint '102' is in lowercase: true

Example 2

Test it Now

Output:

The first character represents as a lowercase character: false
The second character represents as a lowercase character: false
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