Java example - convert string from lower case to upper case

The following example uses the String toUpperCase() method to convert the string from lowercase to uppercase:

//StringToUpperCaseEmp.java 文件public class StringToUpperCaseEmp {
   public static void main(String[] args) {
      String str = "string abc touppercase ";
      String strUpper = str.toUpperCase();
      System.out.println("Original String: " + str);
      System.out.println("String changed to upper case: "
      + strUpper);
   }}

The output result of the above code example is:

Original String: string abc touppercase 
String changed to upper case: STRING ABC TOUPPERCASE

The above is the Java example - string lowercase Convert the content to uppercase. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!