Zack Tech Blog

  package StringLearning; class Display { public static void print (String s) { System. out .println(s); } } public class StringFunc { public static void main (String[] args) { String s = "Java Programming" ; // Display original string Display. print (s); // Converts all characters to lower case Display. print ( "LowerCase: " + s.toLowerCase()); // Converts all characters to upper case Display. print ( "UpperCase: " + s.toUpperCase()); // Concatenates the specified string to the end of the original string Display. print ( "Concatenation: " + s.concat( " is easy." )); // Replaces each occurrence of a character with a new character Display. print ( "Replace 'a' with 'b': " + s.replace( 'a' , 'b' )); // Replaces each occurrence of a substring with a new substring Displ