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Java program to convert a string to lowercase and uppercase.
Example
import java.lang.*;
public class StringDemo {
public static void main(String[] args) {
// converts all upper case letters in to lower case letters
String str1 = "SELF LEARNING CENTER";
System.out.println("string value = " + str1.toLowerCase());
str1 = "TUTORIALS POINT";
System.out.println("string value = " + str1.toLowerCase());
// converts all lower case letters in to upper case letters
String str2 = "This is TutorialsPoint";
System.out.println("string value = " + str2.toUpperCase());
str2 = "www.tutorialspoint.com";
System.out.println("string value = " + str2.toUpperCase());
}
} Output
string value = self learning center string value = tutorials point string value = THIS IS TUTORIALSPOINT string value = WWW.TUTORIALSPOINT.COM
Updated on 18-Jun-2020 08:12:46
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