touppercase

字符串toUpperCase()方法 (String toUpperCase() Method)

toUpperCase() method is a String class method, it is used to convert given string into the uppercase.

toUpperCase()方法是String类方法，用于将给定的字符串转换为大写。

Syntax:

句法：

String String_object.toUpperCase();

Here, String_object is a String object which we have to convert into uppercase. The method does not change the string; it returns the uppercase converted string.

在这里， String_object是一个String对象，我们必须将其转换为大写。 该方法不更改字符串。 它返回转换后的大写字符串。

Example:

例：

Input:    str = "Welcome at IncludeHelp!"    Function call:    ans = str.toUpperCase()    Output:    ans = "WELCOME AT INCLUDEHELP!"

Code:

码：

public class Main{
       public static void main(String[] args) {
   		String str = "Welcome at IncludeHelp!";		String ans = str.toUpperCase();		System.out.println("str = " + str);		System.out.println("ans = " + ans);		    }}

Output

输出量

str = Welcome at IncludeHelp!ans = WELCOME AT INCLUDEHELP!

翻译自:

touppercase