Coding Slothly

String . - String is immutable. - It seems mutable in certain cases, but it is a misconception. String hi = "Hi" hi += "Hello" //it seems that we just changed the object itself from "Hi" to "HiHello" //but what really happened is that we created a new String value "HiHello" and //changed the reference of the object hi from "Hi" to "HiHello" StringBuffer - StringBuffer is a data type that is used..

String.format - returns a formatted String value. ex) String.format("The answer is %d", 3) returns "The answer is 3" - can be used with System.out.println ex) System.out.println(String.formate("The answer is %d", 3)) String.split("delimiter") - splits the String value using delimiter and returns a String type array. String hi = "Hi Hello"; String[] prac = hi.split("H"); //prac = ["", "i ", "ello..