Question

What is happening here..plz explain those 2 lines
output-- ABC .but how??..
String s = new String("abc");
System.out.println(s.toUpperCase());

Answer 1

See here in the second line they are saying .toUpperCase ...upper case means to convert the letter into capital ....so her small letter abc converts to capital letter ABC

U must be thorough with string methods only then u ll understand this