Java isLetter() 方法
Java 教程
· 2019-02-08 16:57:34
isLetter() 方法用于判断指定字符是否为字母。
语法
boolean isLetter(char ch)
参数
ch -- 要测试的字符。
返回值
如果字符为字母,则返回 true;否则返回 false。
实例
public class Test {
public static void main(String args[]) {
System.out.println(Character.isLetter('c'));
System.out.println(Character.isLetter('5'));
}
}
以上程序执行结果为:
true false
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