Question

Following operations can be performed using string operation command? a. Trim b. Compare c. Join d. All the options

Answer 1

the answer is

d. All the option

Answer 2

(d) All the options

Trim: trim() method is used in java to trim a the preceding and succeeding spaces in a string. The java lang.string.trim() is a built in java function. trim() does not accepts any parameter.

Eg. String s = “   Hello World   ”;

System.out.println(s.trim());

Output: Hello World

Compare: In java string.equals() method compares two strings based on the content of the string. If all the contents of the string are same then it returns true otherwise false.

Eg. str1.equals(str2);

Join: the join() method in java concatenates the given elements with the delimiter and returns the concatenated string.

Eg. String s = String.join(" < ", "Four", "Five", "Six", "Seven");

Output: Four<Five<Six<Seven