Question

What do the following functions return? String x = "Vision"; String y = "2020"; i) System.out.println(x + y); ii) System.out.println(x.length()); iii) System.out.println(x.charAt(3)); iv) System.out.println(x.equals(y));

Answer 1

Answer:

i. Vision2020

ii. 6

iii. i

iv. false

Explanation:

i. It will concatenate both the string, as you using + sign.

ii. length function will return the length of the string with an integer value.

iii. charAt will return the char at the specific index. Here you pass 3 , so it will be 4th position, as index start from 0.

iv. equals function will compare both the string, and as it's different, else it will return Boolean false .

Answer 2

Answer:

i. Vision2020

ii. 6

iii. i

iv. false