What does the class output?
Anonymous Quiz
33%
LOKI
8%
OKLI
24%
OLKI
7%
OKIL
11%
The output cannot be determined until runtime
11%
Nothing; the code does not compile
5%
None of the above
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What is the output of the program?
Anonymous Quiz
12%
1234
22%
1235
10%
124
30%
1245
12%
The code does not compile
6%
An uncaught exception is thrown
7%
None of the above
What is the result of the program?
Anonymous Quiz
10%
-1
38%
9
30%
81
14%
Compiler error on line 9
8%
Compiler error on a different line
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What is the difference between equals() and == in Java?
Both equals() method and the == operator are used to compare two objects in Java. == is an operator and equals() is method. But == operator compares reference or memory location of objects in a heap, whether they point to the same location or not.
Whenever we create an object using the operator new, it will create a new memory location for that object. So we use the == operator to check memory location or address of two objects are the same or not.
In general, both equals() and “==” operators in Java are used to compare objects to check equality, but here are some of the differences between the two:
The main difference between the .equals() method and == operator is that one is a method, and the other is the operator. We can use == operators for reference comparison (address comparison) and .equals() method for content comparison. In simple words, == checks if both objects point to the same memory location whereas .equals() evaluates to the comparison of values in the objects. If a class does not override the equals method, then by default, it uses the equals(Object o) method of the closest parent class that has overridden this method.
What is the difference between equals() and == in Java?
Both equals() method and the == operator are used to compare two objects in Java. == is an operator and equals() is method. But == operator compares reference or memory location of objects in a heap, whether they point to the same location or not.
Whenever we create an object using the operator new, it will create a new memory location for that object. So we use the == operator to check memory location or address of two objects are the same or not.
In general, both equals() and “==” operators in Java are used to compare objects to check equality, but here are some of the differences between the two:
The main difference between the .equals() method and == operator is that one is a method, and the other is the operator. We can use == operators for reference comparison (address comparison) and .equals() method for content comparison. In simple words, == checks if both objects point to the same memory location whereas .equals() evaluates to the comparison of values in the objects. If a class does not override the equals method, then by default, it uses the equals(Object o) method of the closest parent class that has overridden this method.
Assuming weather is a well-formed nonempty array, which code snippet, when inserted independently into the blank in the following code, prints all of the elements of weather? (Choose all that apply.)
Anonymous Poll
16%
int i = weather.length; i > 0; i--
55%
int i = 0; i <= weather.length - 1; ++i
18%
var w : weather
38%
int i = weather.length - 1; i >= 0; i--
19%
int i = 0, int j = 3; i < weather.length; ++i
9%
int i = 0; ++i < 10 && i < weather.length;
10%
None of the above
Explanation 👉 https://www.tg-me.com/topJavaQuizExplain/251
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Explanations “Top Java Quiz Questions”
Assuming weather is a well-formed nonempty array, which code snippet, when inserted independently into the blank in the following code, prints all of the elements of weather? (Choose all that apply.)
❌ A. int i = weather.length; i > 0; i--
✅ B. int i = 0;…
❌ A. int i = weather.length; i > 0; i--
✅ B. int i = 0;…
Given the method, how many lines contain compilation errors?
Anonymous Quiz
12%
None, the code compiles without issue
12%
1
14%
2
18%
3
16%
4
5%
5
5%
6
18%
The code compiles but may produce an error at runtime
What is the result of the code snippet?
Anonymous Quiz
27%
11
10%
13
36%
23
10%
33
5%
50
13%
The code will not compile because of line 7