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toUpperCase() Method In Java
In this section, you will learn how to use toUpperCase() method of the String class.

toUpperCase() Method In Java

In this section, you will learn how to use toUpperCase() method of the String class. We are going for using toUpperCase() method. This method is explained as follows:

Description of program:

Here, you will see the procedure of converting letters of the string in uppercase letter. So, we are using toUpperCase() method of the String class for the purpose.

The following program convert the string "india" into "INDIA" by using toUpperCase() method.

toUpperCase(): This method returns a string value.

Here is the code of this program:


public class ConvertInUpperCase{

  public static void main(String args[]){

    String roseindia = "india";

    System.out.println("String is : " + roseindia);

    String upper = roseindia.toUpperCase();

    System.out.println("String in uppercase letter: " + upper);

  }

}

Output of program:

C:\java_work>javac ConvertInUpperCase.java

C:\java_work>java ConvertInUpperCase
String is : india
String in uppercase letter: INDIA

C:\java_work>

Download this Example.

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