Java toUpperCase() 方法
Java 教程
· 2019-02-09 08:13:16
toUpperCase() 方法将字符串小写字符转换为大写。
语法
public String toUpperCase() 或 public String toUpperCase(Locale locale)
参数
无
返回值
字符转换为大写后的字符串。
实例
public class Test { public static void main(String args[]) { String Str = new String("www.codercto.com"); System.out.print("返回值 :" ); System.out.println( Str.toUpperCase() ); } }
以上程序执行结果为:
返回值 :WWW.CODERCTO.COM
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