Java String Objects & Methods

Front

Which of the following is NOT a primitive data type?
double,
float,
boolean,
String

Back

String

Front

Which of these operators can be used to concatenate two or more String objects? +, ++, +=, +-

Back

+

Front

Which data type gets returned from length() method in String class?

Back

int

Front

What is the value of len in the following code?
String s= "jump it";
int len = s.length();

Back

7

Front

Which method was used to convert this String: "Life is TOO SHORT to be BORED" to: "life is too short to be bored" ?

Back

toLowerCase()

Front

To which package does the string class belong to? Options: java.io, java.util, java.lang, javax.conn

Back

java.lang

Front

String s="quarantine";
int x = s.indexOf("a");
What is the value of x?

Back

2

Front

String values are always written in

Back

Double quotes

Front

String word = "A few good men"; What is word.indexOf(“bad”)?

Back

-1

Front

int p = "Go Paw Patrol!".indexOf("p"); What is the value of p?

Back

-1