Java字符类isLowerCase()方法与示例
字符類isLowerCase()方法 (Character class isLowerCase() method)
isLowerCase() method is available in java.lang package.
isLowerCase()方法在java.lang包中可用。
isLowerCase() method is used to check whether the given char value is lowercase or not.
isLowerCase()方法用于檢查給定的char值是否為小寫。
isLowerCase() method does not throw an exception at the time of checking the given char value is lowercase or not.
在檢查給定的char值是否為小寫時, isLowerCase()方法不會引發(fā)異常。
Syntax:
句法:
public boolean isLowerCase (Char value);Parameter(s):
參數(shù):
Char value – represents the char value to be checked.
字符值 –表示要檢查的字符值。
Return value:
返回值:
The return type of this method is boolean, it returns a boolean value based on the following cases,
此方法的返回類型為boolean ,它基于以下情況返回布爾值:
It returns true, if the given char value is lowercase.
如果給定的char值為小寫,則返回true 。
It returns false, if the given char value is not in lowercase.
如果給定的char值不是小寫,則返回false 。
Example:
例:
// Java program to demonstrate the example // of boolean isLowerCase (Char value) method of Character classpublic class IsLowerCaseOfCharacterClass {public static void main(String[] args) {// It returns false because the passing character is // not in LowerCaseboolean result1 = Character.isLowerCase('P');// It returns true because the passing character is // in LowerCase boolean result2 = Character.isLowerCase('p');// Display values of result1 , result2System.out.println("Character.isLowerCase('P'): " + result1);System.out.println("Character.isLowerCase('p'): " + result2);} }Output
輸出量
Character.isLowerCase('P'): false Character.isLowerCase('p'): true翻譯自: https://www.includehelp.com/java/character-class-islowercase-method-with-example.aspx
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