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#Quiz_Java (Question - 107)
Which of these method of class String is used to extract a single character from a String object?
Which of these method of class String is used to extract a single character from a String object?
Anonymous Quiz
13%
characterAt()
63%
charAt()
19%
CharAt()
6%
None of the above
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Which class in Java is used to take input from the user?
Anonymous Quiz
88%
Scanner
4%
Applier
5%
Inputer
3%
None of these
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int [ ] ar = {1,2,3,4,5}; System.out.print(ar[4]); What’s the output of the above code?
Anonymous Quiz
17%
4
66%
5
13%
compilation error
4%
runtime error
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for above question, having only 70 percent as correct answer is not a good thing. Array is the most used data structure in almost all the programming languages. In case of doubts refer our video on Arrays
Which year passout you are?
Anonymous Poll
36%
Still in college
11%
2020
13%
2021
29%
2022
5%
2018
6%
2019
public static String str = "xyz"; str.replace("y", "JAVA"); System.out.println(str);
Anonymous Quiz
12%
xyz
10%
JAVA
62%
xJAVAz
5%
xyJAVAz
11%
none of them
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TechShiksha by Badkul Technology
Which year passout you are?
people who are still in college, we have mentoring program for students. Reach out to me for more details
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What is the return type of the hashCode() method in the Object class?
Anonymous Quiz
41%
Object
26%
int
12%
long
21%
void
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static keyword can not be used with which of the following in java
Anonymous Quiz
36%
Class
16%
Variable
13%
Method
35%
Nested class
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