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Java string case change sample code examples.
You can change the cases using the toUpperCase() and toLowerCase() methods of the String class.
Example
public class Sample {
public static void main(String args[]){
String str = "Hello how are you";
String strUpper = str.toUpperCase();
System.out.println("Lower to upper : "+strUpper);
String strLower = str.toLowerCase();
System.out.println("Upper to lower : "+strLower);
}
}Output
Lower to upper : HELLO HOW ARE YOU Upper to lower : hello how are you
Updated on: 26-Feb-2020
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