Java – Convert Upper and Lower Case

Convert String into upper and lower case in java

toUpperCase() method is used to convert into upper case of String
and
toLowerCase() method is used to convert into lower case of String

public class CaseConvertJava {

    public static void main(String[] args) {

        String str="Get a sneak preview of the next";

        String sLowerCase=str.toLowerCase();
        String sUpperCase=str.toUpperCase();

        System.out.println("Lower case in java :"+sLowerCase);
        System.out.println("Upper case in java :"+sUpperCase);
    }
}

Output

Lower case in java :get a sneak preview of the next
Upper case in java :GET A SNEAK PREVIEW OF THE NEXT
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